Home / 3,617.30-5,422.35-1,666.10

Finding the Fourth Proportional to 3,617.30, 5,422.35 and 1,666.10

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Solution

The fourth proportional to 3,617.30, 5,422.35 and 1,666.10 is: 2,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.30 : 5,422.35 = 1,666.10 : x
  2. Step 2: Convert to fraction form
    3,617.30/5,422.35 = 1,666.10/x
  3. Step 3: Cross multiply
    3,617.30x = 5,422.35 × 1,666.10
  4. Step 4: Simplify right side
    3,617.30x = 9,034,177.34
  5. Step 5: Solve for x
    x = 9,034,177.34/3,617.30
  6. Step 6: Final answer
    x = 2,497.49

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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.