Home / 2,921.12-4,031.13-1,594.83

Finding the Fourth Proportional to 2,921.12, 4,031.13 and 1,594.83

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Solution

The fourth proportional to 2,921.12, 4,031.13 and 1,594.83 is: 2,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.12 : 4,031.13 = 1,594.83 : x
  2. Step 2: Convert to fraction form
    2,921.12/4,031.13 = 1,594.83/x
  3. Step 3: Cross multiply
    2,921.12x = 4,031.13 × 1,594.83
  4. Step 4: Simplify right side
    2,921.12x = 6,428,967.06
  5. Step 5: Solve for x
    x = 6,428,967.06/2,921.12
  6. Step 6: Final answer
    x = 2,200.86

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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.