Home / 3,690.17-5,534.57-1,057.11

Finding the Fourth Proportional to 3,690.17, 5,534.57 and 1,057.11

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Solution

The fourth proportional to 3,690.17, 5,534.57 and 1,057.11 is: 1,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.17 : 5,534.57 = 1,057.11 : x
  2. Step 2: Convert to fraction form
    3,690.17/5,534.57 = 1,057.11/x
  3. Step 3: Cross multiply
    3,690.17x = 5,534.57 × 1,057.11
  4. Step 4: Simplify right side
    3,690.17x = 5,850,649.29
  5. Step 5: Solve for x
    x = 5,850,649.29/3,690.17
  6. Step 6: Final answer
    x = 1,585.47

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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.