Home / 3,721.02-5,587.20-3,176.70

Finding the Fourth Proportional to 3,721.02, 5,587.20 and 3,176.70

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Solution

The fourth proportional to 3,721.02, 5,587.20 and 3,176.70 is: 4,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.02 : 5,587.20 = 3,176.70 : x
  2. Step 2: Convert to fraction form
    3,721.02/5,587.20 = 3,176.70/x
  3. Step 3: Cross multiply
    3,721.02x = 5,587.20 × 3,176.70
  4. Step 4: Simplify right side
    3,721.02x = 17,748,858.24
  5. Step 5: Solve for x
    x = 17,748,858.24/3,721.02
  6. Step 6: Final answer
    x = 4,769.89

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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.