Home / 1,304.24-1,963.38-1,125.60

Finding the Fourth Proportional to 1,304.24, 1,963.38 and 1,125.60

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Solution

The fourth proportional to 1,304.24, 1,963.38 and 1,125.60 is: 1,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.24 : 1,963.38 = 1,125.60 : x
  2. Step 2: Convert to fraction form
    1,304.24/1,963.38 = 1,125.60/x
  3. Step 3: Cross multiply
    1,304.24x = 1,963.38 × 1,125.60
  4. Step 4: Simplify right side
    1,304.24x = 2,209,980.53
  5. Step 5: Solve for x
    x = 2,209,980.53/1,304.24
  6. Step 6: Final answer
    x = 1,694.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.