Home / 2,422.40-3,342.70-1,374.52

Finding the Fourth Proportional to 2,422.40, 3,342.70 and 1,374.52

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Solution

The fourth proportional to 2,422.40, 3,342.70 and 1,374.52 is: 1,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.40 : 3,342.70 = 1,374.52 : x
  2. Step 2: Convert to fraction form
    2,422.40/3,342.70 = 1,374.52/x
  3. Step 3: Cross multiply
    2,422.40x = 3,342.70 × 1,374.52
  4. Step 4: Simplify right side
    2,422.40x = 4,594,608.00
  5. Step 5: Solve for x
    x = 4,594,608.00/2,422.40
  6. Step 6: Final answer
    x = 1,896.72

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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.