Home / 1,655.64-2,285.04-1,066.80

Finding the Fourth Proportional to 1,655.64, 2,285.04 and 1,066.80

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Solution

The fourth proportional to 1,655.64, 2,285.04 and 1,066.80 is: 1,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.64 : 2,285.04 = 1,066.80 : x
  2. Step 2: Convert to fraction form
    1,655.64/2,285.04 = 1,066.80/x
  3. Step 3: Cross multiply
    1,655.64x = 2,285.04 × 1,066.80
  4. Step 4: Simplify right side
    1,655.64x = 2,437,680.67
  5. Step 5: Solve for x
    x = 2,437,680.67/1,655.64
  6. Step 6: Final answer
    x = 1,472.35

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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.