Home / 3,444.68-4,751.52-2,781.56

Finding the Fourth Proportional to 3,444.68, 4,751.52 and 2,781.56

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Solution

The fourth proportional to 3,444.68, 4,751.52 and 2,781.56 is: 3,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.68 : 4,751.52 = 2,781.56 : x
  2. Step 2: Convert to fraction form
    3,444.68/4,751.52 = 2,781.56/x
  3. Step 3: Cross multiply
    3,444.68x = 4,751.52 × 2,781.56
  4. Step 4: Simplify right side
    3,444.68x = 13,216,637.97
  5. Step 5: Solve for x
    x = 13,216,637.97/3,444.68
  6. Step 6: Final answer
    x = 3,836.83

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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.