Home / 3,617.19-5,421.65-1,534.14

Finding the Fourth Proportional to 3,617.19, 5,421.65 and 1,534.14

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Solution

The fourth proportional to 3,617.19, 5,421.65 and 1,534.14 is: 2,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.19 : 5,421.65 = 1,534.14 : x
  2. Step 2: Convert to fraction form
    3,617.19/5,421.65 = 1,534.14/x
  3. Step 3: Cross multiply
    3,617.19x = 5,421.65 × 1,534.14
  4. Step 4: Simplify right side
    3,617.19x = 8,317,562.46
  5. Step 5: Solve for x
    x = 8,317,562.46/3,617.19
  6. Step 6: Final answer
    x = 2,299.45

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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.