Home / 2,422.16-3,342.48-1,374.28

Finding the Fourth Proportional to 2,422.16, 3,342.48 and 1,374.28

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Solution

The fourth proportional to 2,422.16, 3,342.48 and 1,374.28 is: 1,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.16 : 3,342.48 = 1,374.28 : x
  2. Step 2: Convert to fraction form
    2,422.16/3,342.48 = 1,374.28/x
  3. Step 3: Cross multiply
    2,422.16x = 3,342.48 × 1,374.28
  4. Step 4: Simplify right side
    2,422.16x = 4,593,503.41
  5. Step 5: Solve for x
    x = 4,593,503.41/2,422.16
  6. Step 6: Final answer
    x = 1,896.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.