Home / 1,565.46-2,334.92-1,320.29

Finding the Fourth Proportional to 1,565.46, 2,334.92 and 1,320.29

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Solution

The fourth proportional to 1,565.46, 2,334.92 and 1,320.29 is: 1,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.46 : 2,334.92 = 1,320.29 : x
  2. Step 2: Convert to fraction form
    1,565.46/2,334.92 = 1,320.29/x
  3. Step 3: Cross multiply
    1,565.46x = 2,334.92 × 1,320.29
  4. Step 4: Simplify right side
    1,565.46x = 3,082,753.25
  5. Step 5: Solve for x
    x = 3,082,753.25/1,565.46
  6. Step 6: Final answer
    x = 1,969.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.