Home / 3,091.52-4,637.28-1,449.22

Finding the Fourth Proportional to 3,091.52, 4,637.28 and 1,449.22

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Solution

The fourth proportional to 3,091.52, 4,637.28 and 1,449.22 is: 2,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.52 : 4,637.28 = 1,449.22 : x
  2. Step 2: Convert to fraction form
    3,091.52/4,637.28 = 1,449.22/x
  3. Step 3: Cross multiply
    3,091.52x = 4,637.28 × 1,449.22
  4. Step 4: Simplify right side
    3,091.52x = 6,720,438.92
  5. Step 5: Solve for x
    x = 6,720,438.92/3,091.52
  6. Step 6: Final answer
    x = 2,173.83

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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.