Home / 1,544.46-2,316.90-814.10

Finding the Fourth Proportional to 1,544.46, 2,316.90 and 814.10

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Solution

The fourth proportional to 1,544.46, 2,316.90 and 814.10 is: 1,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.46 : 2,316.90 = 814.10 : x
  2. Step 2: Convert to fraction form
    1,544.46/2,316.90 = 814.10/x
  3. Step 3: Cross multiply
    1,544.46x = 2,316.90 × 814.10
  4. Step 4: Simplify right side
    1,544.46x = 1,886,188.29
  5. Step 5: Solve for x
    x = 1,886,188.29/1,544.46
  6. Step 6: Final answer
    x = 1,221.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.