Home / 2,921.20-4,031.26-1,594.92

Finding the Fourth Proportional to 2,921.20, 4,031.26 and 1,594.92

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Solution

The fourth proportional to 2,921.20, 4,031.26 and 1,594.92 is: 2,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.20 : 4,031.26 = 1,594.92 : x
  2. Step 2: Convert to fraction form
    2,921.20/4,031.26 = 1,594.92/x
  3. Step 3: Cross multiply
    2,921.20x = 4,031.26 × 1,594.92
  4. Step 4: Simplify right side
    2,921.20x = 6,429,537.20
  5. Step 5: Solve for x
    x = 6,429,537.20/2,921.20
  6. Step 6: Final answer
    x = 2,200.99

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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.