Home / 1,653.46-2,282.70-1,125.19

Finding the Fourth Proportional to 1,653.46, 2,282.70 and 1,125.19

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Solution

The fourth proportional to 1,653.46, 2,282.70 and 1,125.19 is: 1,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.46 : 2,282.70 = 1,125.19 : x
  2. Step 2: Convert to fraction form
    1,653.46/2,282.70 = 1,125.19/x
  3. Step 3: Cross multiply
    1,653.46x = 2,282.70 × 1,125.19
  4. Step 4: Simplify right side
    1,653.46x = 2,568,471.21
  5. Step 5: Solve for x
    x = 2,568,471.21/1,653.46
  6. Step 6: Final answer
    x = 1,553.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,654.46, 2,284.08 and 1,126.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.