Home / 2,422.41-3,343.65-1,581.63

Finding the Fourth Proportional to 2,422.41, 3,343.65 and 1,581.63

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Solution

The fourth proportional to 2,422.41, 3,343.65 and 1,581.63 is: 2,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.41 : 3,343.65 = 1,581.63 : x
  2. Step 2: Convert to fraction form
    2,422.41/3,343.65 = 1,581.63/x
  3. Step 3: Cross multiply
    2,422.41x = 3,343.65 × 1,581.63
  4. Step 4: Simplify right side
    2,422.41x = 5,288,417.15
  5. Step 5: Solve for x
    x = 5,288,417.15/2,422.41
  6. Step 6: Final answer
    x = 2,183.12

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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.