Home / 2,988.59-4,127.30-2,241.36

Finding the Fourth Proportional to 2,988.59, 4,127.30 and 2,241.36

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Solution

The fourth proportional to 2,988.59, 4,127.30 and 2,241.36 is: 3,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.59 : 4,127.30 = 2,241.36 : x
  2. Step 2: Convert to fraction form
    2,988.59/4,127.30 = 2,241.36/x
  3. Step 3: Cross multiply
    2,988.59x = 4,127.30 × 2,241.36
  4. Step 4: Simplify right side
    2,988.59x = 9,250,753.92
  5. Step 5: Solve for x
    x = 9,250,753.92/2,988.59
  6. Step 6: Final answer
    x = 3,095.36

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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.