Home / 3,154.61-4,348.81-2,207.47

Finding the Fourth Proportional to 3,154.61, 4,348.81 and 2,207.47

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Solution

The fourth proportional to 3,154.61, 4,348.81 and 2,207.47 is: 3,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.61 : 4,348.81 = 2,207.47 : x
  2. Step 2: Convert to fraction form
    3,154.61/4,348.81 = 2,207.47/x
  3. Step 3: Cross multiply
    3,154.61x = 4,348.81 × 2,207.47
  4. Step 4: Simplify right side
    3,154.61x = 9,599,867.61
  5. Step 5: Solve for x
    x = 9,599,867.61/3,154.61
  6. Step 6: Final answer
    x = 3,043.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.