Home / 2,921.52-4,031.68-1,595.24

Finding the Fourth Proportional to 2,921.52, 4,031.68 and 1,595.24

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Solution

The fourth proportional to 2,921.52, 4,031.68 and 1,595.24 is: 2,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.52 : 4,031.68 = 1,595.24 : x
  2. Step 2: Convert to fraction form
    2,921.52/4,031.68 = 1,595.24/x
  3. Step 3: Cross multiply
    2,921.52x = 4,031.68 × 1,595.24
  4. Step 4: Simplify right side
    2,921.52x = 6,431,497.20
  5. Step 5: Solve for x
    x = 6,431,497.20/2,921.52
  6. Step 6: Final answer
    x = 2,201.42

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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.