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Finding the Fourth Proportional to 1,709.28, 2,562.96 and 555.04

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Solution

The fourth proportional to 1,709.28, 2,562.96 and 555.04 is: 832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.28 : 2,562.96 = 555.04 : x
  2. Step 2: Convert to fraction form
    1,709.28/2,562.96 = 555.04/x
  3. Step 3: Cross multiply
    1,709.28x = 2,562.96 × 555.04
  4. Step 4: Simplify right side
    1,709.28x = 1,422,545.32
  5. Step 5: Solve for x
    x = 1,422,545.32/1,709.28
  6. Step 6: Final answer
    x = 832.25

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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.