Home / 3,498.73-5,238.28-1,851.55

Finding the Fourth Proportional to 3,498.73, 5,238.28 and 1,851.55

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Solution

The fourth proportional to 3,498.73, 5,238.28 and 1,851.55 is: 2,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.73 : 5,238.28 = 1,851.55 : x
  2. Step 2: Convert to fraction form
    3,498.73/5,238.28 = 1,851.55/x
  3. Step 3: Cross multiply
    3,498.73x = 5,238.28 × 1,851.55
  4. Step 4: Simplify right side
    3,498.73x = 9,698,937.33
  5. Step 5: Solve for x
    x = 9,698,937.33/3,498.73
  6. Step 6: Final answer
    x = 2,772.13

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1.5x scale

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.