Home / 3,001.52-4,137.36-2,115.92

Finding the Fourth Proportional to 3,001.52, 4,137.36 and 2,115.92

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Solution

The fourth proportional to 3,001.52, 4,137.36 and 2,115.92 is: 2,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.52 : 4,137.36 = 2,115.92 : x
  2. Step 2: Convert to fraction form
    3,001.52/4,137.36 = 2,115.92/x
  3. Step 3: Cross multiply
    3,001.52x = 4,137.36 × 2,115.92
  4. Step 4: Simplify right side
    3,001.52x = 8,754,322.77
  5. Step 5: Solve for x
    x = 8,754,322.77/3,001.52
  6. Step 6: Final answer
    x = 2,916.63

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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.