Home / 1,497.28-2,066.24-1,000.64

Finding the Fourth Proportional to 1,497.28, 2,066.24 and 1,000.64

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Solution

The fourth proportional to 1,497.28, 2,066.24 and 1,000.64 is: 1,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.28 : 2,066.24 = 1,000.64 : x
  2. Step 2: Convert to fraction form
    1,497.28/2,066.24 = 1,000.64/x
  3. Step 3: Cross multiply
    1,497.28x = 2,066.24 × 1,000.64
  4. Step 4: Simplify right side
    1,497.28x = 2,067,562.39
  5. Step 5: Solve for x
    x = 2,067,562.39/1,497.28
  6. Step 6: Final answer
    x = 1,380.88

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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.