Home / 3,781.32-5,670.96-1,700.16

Finding the Fourth Proportional to 3,781.32, 5,670.96 and 1,700.16

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Solution

The fourth proportional to 3,781.32, 5,670.96 and 1,700.16 is: 2,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.32 : 5,670.96 = 1,700.16 : x
  2. Step 2: Convert to fraction form
    3,781.32/5,670.96 = 1,700.16/x
  3. Step 3: Cross multiply
    3,781.32x = 5,670.96 × 1,700.16
  4. Step 4: Simplify right side
    3,781.32x = 9,641,539.35
  5. Step 5: Solve for x
    x = 9,641,539.35/3,781.32
  6. Step 6: Final answer
    x = 2,549.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.