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Finding the Fourth Proportional to 3,335.52, 5,001.76 and 1,775.12

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Solution

The fourth proportional to 3,335.52, 5,001.76 and 1,775.12 is: 2,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.52 : 5,001.76 = 1,775.12 : x
  2. Step 2: Convert to fraction form
    3,335.52/5,001.76 = 1,775.12/x
  3. Step 3: Cross multiply
    3,335.52x = 5,001.76 × 1,775.12
  4. Step 4: Simplify right side
    3,335.52x = 8,878,724.21
  5. Step 5: Solve for x
    x = 8,878,724.21/3,335.52
  6. Step 6: Final answer
    x = 2,661.87

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1.5x scale

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.