Home / 3,540.38-5,307.53-1,347.57

Finding the Fourth Proportional to 3,540.38, 5,307.53 and 1,347.57

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Solution

The fourth proportional to 3,540.38, 5,307.53 and 1,347.57 is: 2,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.38 : 5,307.53 = 1,347.57 : x
  2. Step 2: Convert to fraction form
    3,540.38/5,307.53 = 1,347.57/x
  3. Step 3: Cross multiply
    3,540.38x = 5,307.53 × 1,347.57
  4. Step 4: Simplify right side
    3,540.38x = 7,152,261.46
  5. Step 5: Solve for x
    x = 7,152,261.46/3,540.38
  6. Step 6: Final answer
    x = 2,020.20

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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.