Home / 2,710.30-3,740.08-1,531.54

Finding the Fourth Proportional to 2,710.30, 3,740.08 and 1,531.54

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Solution

The fourth proportional to 2,710.30, 3,740.08 and 1,531.54 is: 2,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.30 : 3,740.08 = 1,531.54 : x
  2. Step 2: Convert to fraction form
    2,710.30/3,740.08 = 1,531.54/x
  3. Step 3: Cross multiply
    2,710.30x = 3,740.08 × 1,531.54
  4. Step 4: Simplify right side
    2,710.30x = 5,728,082.12
  5. Step 5: Solve for x
    x = 5,728,082.12/2,710.30
  6. Step 6: Final answer
    x = 2,113.45

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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.