Home / 1,627.61-2,442.27-887.75

Finding the Fourth Proportional to 1,627.61, 2,442.27 and 887.75

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Solution

The fourth proportional to 1,627.61, 2,442.27 and 887.75 is: 1,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.61 : 2,442.27 = 887.75 : x
  2. Step 2: Convert to fraction form
    1,627.61/2,442.27 = 887.75/x
  3. Step 3: Cross multiply
    1,627.61x = 2,442.27 × 887.75
  4. Step 4: Simplify right side
    1,627.61x = 2,168,116.87
  5. Step 5: Solve for x
    x = 2,168,116.87/1,627.61
  6. Step 6: Final answer
    x = 1,332.09

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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.