Home / 3,151.55-4,718.18-2,374.81

Finding the Fourth Proportional to 3,151.55, 4,718.18 and 2,374.81

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Solution

The fourth proportional to 3,151.55, 4,718.18 and 2,374.81 is: 3,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.55 : 4,718.18 = 2,374.81 : x
  2. Step 2: Convert to fraction form
    3,151.55/4,718.18 = 2,374.81/x
  3. Step 3: Cross multiply
    3,151.55x = 4,718.18 × 2,374.81
  4. Step 4: Simplify right side
    3,151.55x = 11,204,781.05
  5. Step 5: Solve for x
    x = 11,204,781.05/3,151.55
  6. Step 6: Final answer
    x = 3,555.32

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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.