Home / 3,001.88-4,138.74-2,461.55

Finding the Fourth Proportional to 3,001.88, 4,138.74 and 2,461.55

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Solution

The fourth proportional to 3,001.88, 4,138.74 and 2,461.55 is: 3,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.88 : 4,138.74 = 2,461.55 : x
  2. Step 2: Convert to fraction form
    3,001.88/4,138.74 = 2,461.55/x
  3. Step 3: Cross multiply
    3,001.88x = 4,138.74 × 2,461.55
  4. Step 4: Simplify right side
    3,001.88x = 10,187,694.75
  5. Step 5: Solve for x
    x = 10,187,694.75/3,001.88
  6. Step 6: Final answer
    x = 3,393.77

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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.