Home / 3,342.72-4,615.05-2,148.24

Finding the Fourth Proportional to 3,342.72, 4,615.05 and 2,148.24

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Solution

The fourth proportional to 3,342.72, 4,615.05 and 2,148.24 is: 2,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.72 : 4,615.05 = 2,148.24 : x
  2. Step 2: Convert to fraction form
    3,342.72/4,615.05 = 2,148.24/x
  3. Step 3: Cross multiply
    3,342.72x = 4,615.05 × 2,148.24
  4. Step 4: Simplify right side
    3,342.72x = 9,914,201.20
  5. Step 5: Solve for x
    x = 9,914,201.20/3,342.72
  6. Step 6: Final answer
    x = 2,965.91

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1.5x scale

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.