Home / 2,422.53-3,342.56-1,539.45

Finding the Fourth Proportional to 2,422.53, 3,342.56 and 1,539.45

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Solution

The fourth proportional to 2,422.53, 3,342.56 and 1,539.45 is: 2,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.53 : 3,342.56 = 1,539.45 : x
  2. Step 2: Convert to fraction form
    2,422.53/3,342.56 = 1,539.45/x
  3. Step 3: Cross multiply
    2,422.53x = 3,342.56 × 1,539.45
  4. Step 4: Simplify right side
    2,422.53x = 5,145,696.29
  5. Step 5: Solve for x
    x = 5,145,696.29/2,422.53
  6. Step 6: Final answer
    x = 2,124.10

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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.