Home / 3,743.16-5,602.68-1,985.70

Finding the Fourth Proportional to 3,743.16, 5,602.68 and 1,985.70

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Solution

The fourth proportional to 3,743.16, 5,602.68 and 1,985.70 is: 2,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.16 : 5,602.68 = 1,985.70 : x
  2. Step 2: Convert to fraction form
    3,743.16/5,602.68 = 1,985.70/x
  3. Step 3: Cross multiply
    3,743.16x = 5,602.68 × 1,985.70
  4. Step 4: Simplify right side
    3,743.16x = 11,125,241.68
  5. Step 5: Solve for x
    x = 11,125,241.68/3,743.16
  6. Step 6: Final answer
    x = 2,972.15

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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.