Home / 2,422.23-3,342.94-1,478.58

Finding the Fourth Proportional to 2,422.23, 3,342.94 and 1,478.58

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Solution

The fourth proportional to 2,422.23, 3,342.94 and 1,478.58 is: 2,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.23 : 3,342.94 = 1,478.58 : x
  2. Step 2: Convert to fraction form
    2,422.23/3,342.94 = 1,478.58/x
  3. Step 3: Cross multiply
    2,422.23x = 3,342.94 × 1,478.58
  4. Step 4: Simplify right side
    2,422.23x = 4,942,800.53
  5. Step 5: Solve for x
    x = 4,942,800.53/2,422.23
  6. Step 6: Final answer
    x = 2,040.60

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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.