Home / 2,921.20-4,031.19-1,594.93

Finding the Fourth Proportional to 2,921.20, 4,031.19 and 1,594.93

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Solution

The fourth proportional to 2,921.20, 4,031.19 and 1,594.93 is: 2,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.20 : 4,031.19 = 1,594.93 : x
  2. Step 2: Convert to fraction form
    2,921.20/4,031.19 = 1,594.93/x
  3. Step 3: Cross multiply
    2,921.20x = 4,031.19 × 1,594.93
  4. Step 4: Simplify right side
    2,921.20x = 6,429,437.74
  5. Step 5: Solve for x
    x = 6,429,437.74/2,921.20
  6. Step 6: Final answer
    x = 2,200.96

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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.