Home / 3,580.38-5,370.30-983.52

Finding the Fourth Proportional to 3,580.38, 5,370.30 and 983.52

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Solution

The fourth proportional to 3,580.38, 5,370.30 and 983.52 is: 1,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.38 : 5,370.30 = 983.52 : x
  2. Step 2: Convert to fraction form
    3,580.38/5,370.30 = 983.52/x
  3. Step 3: Cross multiply
    3,580.38x = 5,370.30 × 983.52
  4. Step 4: Simplify right side
    3,580.38x = 5,281,797.46
  5. Step 5: Solve for x
    x = 5,281,797.46/3,580.38
  6. Step 6: Final answer
    x = 1,475.21

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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.