Home / 3,515.11-5,275.15-1,666.62

Finding the Fourth Proportional to 3,515.11, 5,275.15 and 1,666.62

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Solution

The fourth proportional to 3,515.11, 5,275.15 and 1,666.62 is: 2,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.11 : 5,275.15 = 1,666.62 : x
  2. Step 2: Convert to fraction form
    3,515.11/5,275.15 = 1,666.62/x
  3. Step 3: Cross multiply
    3,515.11x = 5,275.15 × 1,666.62
  4. Step 4: Simplify right side
    3,515.11x = 8,791,666.33
  5. Step 5: Solve for x
    x = 8,791,666.33/3,515.11
  6. Step 6: Final answer
    x = 2,501.11

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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.