Home / 2,715.92-3,748.05-1,537.18

Finding the Fourth Proportional to 2,715.92, 3,748.05 and 1,537.18

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Solution

The fourth proportional to 2,715.92, 3,748.05 and 1,537.18 is: 2,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.92 : 3,748.05 = 1,537.18 : x
  2. Step 2: Convert to fraction form
    2,715.92/3,748.05 = 1,537.18/x
  3. Step 3: Cross multiply
    2,715.92x = 3,748.05 × 1,537.18
  4. Step 4: Simplify right side
    2,715.92x = 5,761,427.50
  5. Step 5: Solve for x
    x = 5,761,427.50/2,715.92
  6. Step 6: Final answer
    x = 2,121.35

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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.