Home / 1,565.38-2,159.51-1,033.51

Finding the Fourth Proportional to 1,565.38, 2,159.51 and 1,033.51

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Solution

The fourth proportional to 1,565.38, 2,159.51 and 1,033.51 is: 1,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.38 : 2,159.51 = 1,033.51 : x
  2. Step 2: Convert to fraction form
    1,565.38/2,159.51 = 1,033.51/x
  3. Step 3: Cross multiply
    1,565.38x = 2,159.51 × 1,033.51
  4. Step 4: Simplify right side
    1,565.38x = 2,231,874.48
  5. Step 5: Solve for x
    x = 2,231,874.48/1,565.38
  6. Step 6: Final answer
    x = 1,425.78

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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.