Home / 3,127.09-4,304.47-2,752.87

Finding the Fourth Proportional to 3,127.09, 4,304.47 and 2,752.87

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Solution

The fourth proportional to 3,127.09, 4,304.47 and 2,752.87 is: 3,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.09 : 4,304.47 = 2,752.87 : x
  2. Step 2: Convert to fraction form
    3,127.09/4,304.47 = 2,752.87/x
  3. Step 3: Cross multiply
    3,127.09x = 4,304.47 × 2,752.87
  4. Step 4: Simplify right side
    3,127.09x = 11,849,646.33
  5. Step 5: Solve for x
    x = 11,849,646.33/3,127.09
  6. Step 6: Final answer
    x = 3,789.35

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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.