Home / 2,422.32-3,342.51-1,374.18

Finding the Fourth Proportional to 2,422.32, 3,342.51 and 1,374.18

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Solution

The fourth proportional to 2,422.32, 3,342.51 and 1,374.18 is: 1,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.32 : 3,342.51 = 1,374.18 : x
  2. Step 2: Convert to fraction form
    2,422.32/3,342.51 = 1,374.18/x
  3. Step 3: Cross multiply
    2,422.32x = 3,342.51 × 1,374.18
  4. Step 4: Simplify right side
    2,422.32x = 4,593,210.39
  5. Step 5: Solve for x
    x = 4,593,210.39/2,422.32
  6. Step 6: Final answer
    x = 1,896.20

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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.