Home / 3,073.12-4,239-2,681.08

Finding the Fourth Proportional to 3,073.12, 4,239 and 2,681.08

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Solution

The fourth proportional to 3,073.12, 4,239 and 2,681.08 is: 3,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.12 : 4,239 = 2,681.08 : x
  2. Step 2: Convert to fraction form
    3,073.12/4,239 = 2,681.08/x
  3. Step 3: Cross multiply
    3,073.12x = 4,239 × 2,681.08
  4. Step 4: Simplify right side
    3,073.12x = 11,365,098.12
  5. Step 5: Solve for x
    x = 11,365,098.12/3,073.12
  6. Step 6: Final answer
    x = 3,698.23

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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.