Home / 3,679.98-5,077.89-2,264.40

Finding the Fourth Proportional to 3,679.98, 5,077.89 and 2,264.40

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Solution

The fourth proportional to 3,679.98, 5,077.89 and 2,264.40 is: 3,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.98 : 5,077.89 = 2,264.40 : x
  2. Step 2: Convert to fraction form
    3,679.98/5,077.89 = 2,264.40/x
  3. Step 3: Cross multiply
    3,679.98x = 5,077.89 × 2,264.40
  4. Step 4: Simplify right side
    3,679.98x = 11,498,374.12
  5. Step 5: Solve for x
    x = 11,498,374.12/3,679.98
  6. Step 6: Final answer
    x = 3,124.58

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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.