Home / 3,348.34-4,987.11-3,172.66

Finding the Fourth Proportional to 3,348.34, 4,987.11 and 3,172.66

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Solution

The fourth proportional to 3,348.34, 4,987.11 and 3,172.66 is: 4,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.34 : 4,987.11 = 3,172.66 : x
  2. Step 2: Convert to fraction form
    3,348.34/4,987.11 = 3,172.66/x
  3. Step 3: Cross multiply
    3,348.34x = 4,987.11 × 3,172.66
  4. Step 4: Simplify right side
    3,348.34x = 15,822,404.41
  5. Step 5: Solve for x
    x = 15,822,404.41/3,348.34
  6. Step 6: Final answer
    x = 4,725.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.