Home / 3,731.19-5,149.76-2,159.25

Finding the Fourth Proportional to 3,731.19, 5,149.76 and 2,159.25

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Solution

The fourth proportional to 3,731.19, 5,149.76 and 2,159.25 is: 2,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.19 : 5,149.76 = 2,159.25 : x
  2. Step 2: Convert to fraction form
    3,731.19/5,149.76 = 2,159.25/x
  3. Step 3: Cross multiply
    3,731.19x = 5,149.76 × 2,159.25
  4. Step 4: Simplify right side
    3,731.19x = 11,119,608.48
  5. Step 5: Solve for x
    x = 11,119,608.48/3,731.19
  6. Step 6: Final answer
    x = 2,980.18

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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.