Home / 1,565.46-2,170.13-1,503.90

Finding the Fourth Proportional to 1,565.46, 2,170.13 and 1,503.90

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Solution

The fourth proportional to 1,565.46, 2,170.13 and 1,503.90 is: 2,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.46 : 2,170.13 = 1,503.90 : x
  2. Step 2: Convert to fraction form
    1,565.46/2,170.13 = 1,503.90/x
  3. Step 3: Cross multiply
    1,565.46x = 2,170.13 × 1,503.90
  4. Step 4: Simplify right side
    1,565.46x = 3,263,650.99
  5. Step 5: Solve for x
    x = 3,263,650.99/1,565.46
  6. Step 6: Final answer
    x = 2,084.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.