Home / 1,653.35-2,281.05-944.69

Finding the Fourth Proportional to 1,653.35, 2,281.05 and 944.69

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Solution

The fourth proportional to 1,653.35, 2,281.05 and 944.69 is: 1,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.35 : 2,281.05 = 944.69 : x
  2. Step 2: Convert to fraction form
    1,653.35/2,281.05 = 944.69/x
  3. Step 3: Cross multiply
    1,653.35x = 2,281.05 × 944.69
  4. Step 4: Simplify right side
    1,653.35x = 2,154,873.72
  5. Step 5: Solve for x
    x = 2,154,873.72/1,653.35
  6. Step 6: Final answer
    x = 1,303.34

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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.