Home / 3,531.95-5,291.46-1,654.39

Finding the Fourth Proportional to 3,531.95, 5,291.46 and 1,654.39

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Solution

The fourth proportional to 3,531.95, 5,291.46 and 1,654.39 is: 2,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.95 : 5,291.46 = 1,654.39 : x
  2. Step 2: Convert to fraction form
    3,531.95/5,291.46 = 1,654.39/x
  3. Step 3: Cross multiply
    3,531.95x = 5,291.46 × 1,654.39
  4. Step 4: Simplify right side
    3,531.95x = 8,754,138.51
  5. Step 5: Solve for x
    x = 8,754,138.51/3,531.95
  6. Step 6: Final answer
    x = 2,478.56

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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.