Home / 3,321.74-4,581.56-2,901.20

Finding the Fourth Proportional to 3,321.74, 4,581.56 and 2,901.20

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Solution

The fourth proportional to 3,321.74, 4,581.56 and 2,901.20 is: 4,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.74 : 4,581.56 = 2,901.20 : x
  2. Step 2: Convert to fraction form
    3,321.74/4,581.56 = 2,901.20/x
  3. Step 3: Cross multiply
    3,321.74x = 4,581.56 × 2,901.20
  4. Step 4: Simplify right side
    3,321.74x = 13,292,031.99
  5. Step 5: Solve for x
    x = 13,292,031.99/3,321.74
  6. Step 6: Final answer
    x = 4,001.52

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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.