Home / 2,422.31-3,347.10-1,892.45

Finding the Fourth Proportional to 2,422.31, 3,347.10 and 1,892.45

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Solution

The fourth proportional to 2,422.31, 3,347.10 and 1,892.45 is: 2,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.31 : 3,347.10 = 1,892.45 : x
  2. Step 2: Convert to fraction form
    2,422.31/3,347.10 = 1,892.45/x
  3. Step 3: Cross multiply
    2,422.31x = 3,347.10 × 1,892.45
  4. Step 4: Simplify right side
    2,422.31x = 6,334,227.76
  5. Step 5: Solve for x
    x = 6,334,227.76/2,422.31
  6. Step 6: Final answer
    x = 2,614.96

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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.