Home / 2,287.08-3,432.60-1,117.94

Finding the Fourth Proportional to 2,287.08, 3,432.60 and 1,117.94

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Solution

The fourth proportional to 2,287.08, 3,432.60 and 1,117.94 is: 1,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.08 : 3,432.60 = 1,117.94 : x
  2. Step 2: Convert to fraction form
    2,287.08/3,432.60 = 1,117.94/x
  3. Step 3: Cross multiply
    2,287.08x = 3,432.60 × 1,117.94
  4. Step 4: Simplify right side
    2,287.08x = 3,837,423.68
  5. Step 5: Solve for x
    x = 3,837,423.68/2,287.08
  6. Step 6: Final answer
    x = 1,677.87

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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.