Home / 3,387.88-4,675.28-2,061.58

Finding the Fourth Proportional to 3,387.88, 4,675.28 and 2,061.58

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Solution

The fourth proportional to 3,387.88, 4,675.28 and 2,061.58 is: 2,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.88 : 4,675.28 = 2,061.58 : x
  2. Step 2: Convert to fraction form
    3,387.88/4,675.28 = 2,061.58/x
  3. Step 3: Cross multiply
    3,387.88x = 4,675.28 × 2,061.58
  4. Step 4: Simplify right side
    3,387.88x = 9,638,463.74
  5. Step 5: Solve for x
    x = 9,638,463.74/3,387.88
  6. Step 6: Final answer
    x = 2,844.98

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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.