Home / 2,283.32-3,150.84-1,398.95

Finding the Fourth Proportional to 2,283.32, 3,150.84 and 1,398.95

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Solution

The fourth proportional to 2,283.32, 3,150.84 and 1,398.95 is: 1,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.32 : 3,150.84 = 1,398.95 : x
  2. Step 2: Convert to fraction form
    2,283.32/3,150.84 = 1,398.95/x
  3. Step 3: Cross multiply
    2,283.32x = 3,150.84 × 1,398.95
  4. Step 4: Simplify right side
    2,283.32x = 4,407,867.62
  5. Step 5: Solve for x
    x = 4,407,867.62/2,283.32
  6. Step 6: Final answer
    x = 1,930.46

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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.