Home / 3,651.38-5,030.61-3,405.14

Finding the Fourth Proportional to 3,651.38, 5,030.61 and 3,405.14

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Solution

The fourth proportional to 3,651.38, 5,030.61 and 3,405.14 is: 4,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.38 : 5,030.61 = 3,405.14 : x
  2. Step 2: Convert to fraction form
    3,651.38/5,030.61 = 3,405.14/x
  3. Step 3: Cross multiply
    3,651.38x = 5,030.61 × 3,405.14
  4. Step 4: Simplify right side
    3,651.38x = 17,129,931.34
  5. Step 5: Solve for x
    x = 17,129,931.34/3,651.38
  6. Step 6: Final answer
    x = 4,691.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.