Home / 2,387.53-3,580.15-1,217.94

Finding the Fourth Proportional to 2,387.53, 3,580.15 and 1,217.94

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Solution

The fourth proportional to 2,387.53, 3,580.15 and 1,217.94 is: 1,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.53 : 3,580.15 = 1,217.94 : x
  2. Step 2: Convert to fraction form
    2,387.53/3,580.15 = 1,217.94/x
  3. Step 3: Cross multiply
    2,387.53x = 3,580.15 × 1,217.94
  4. Step 4: Simplify right side
    2,387.53x = 4,360,393.70
  5. Step 5: Solve for x
    x = 4,360,393.70/2,387.53
  6. Step 6: Final answer
    x = 1,826.32

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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.