Home / 2,515.68-3,748.41-2,403.90

Finding the Fourth Proportional to 2,515.68, 3,748.41 and 2,403.90

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Solution

The fourth proportional to 2,515.68, 3,748.41 and 2,403.90 is: 3,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.68 : 3,748.41 = 2,403.90 : x
  2. Step 2: Convert to fraction form
    2,515.68/3,748.41 = 2,403.90/x
  3. Step 3: Cross multiply
    2,515.68x = 3,748.41 × 2,403.90
  4. Step 4: Simplify right side
    2,515.68x = 9,010,802.80
  5. Step 5: Solve for x
    x = 9,010,802.80/2,515.68
  6. Step 6: Final answer
    x = 3,581.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.