Home / 3,088.52-4,262.20-1,691.28

Finding the Fourth Proportional to 3,088.52, 4,262.20 and 1,691.28

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Solution

The fourth proportional to 3,088.52, 4,262.20 and 1,691.28 is: 2,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.52 : 4,262.20 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    3,088.52/4,262.20 = 1,691.28/x
  3. Step 3: Cross multiply
    3,088.52x = 4,262.20 × 1,691.28
  4. Step 4: Simplify right side
    3,088.52x = 7,208,573.62
  5. Step 5: Solve for x
    x = 7,208,573.62/3,088.52
  6. Step 6: Final answer
    x = 2,333.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.