Home / 1,332.53-1,980.82-1,293.16

Finding the Fourth Proportional to 1,332.53, 1,980.82 and 1,293.16

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Solution

The fourth proportional to 1,332.53, 1,980.82 and 1,293.16 is: 1,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.53 : 1,980.82 = 1,293.16 : x
  2. Step 2: Convert to fraction form
    1,332.53/1,980.82 = 1,293.16/x
  3. Step 3: Cross multiply
    1,332.53x = 1,980.82 × 1,293.16
  4. Step 4: Simplify right side
    1,332.53x = 2,561,517.19
  5. Step 5: Solve for x
    x = 2,561,517.19/1,332.53
  6. Step 6: Final answer
    x = 1,922.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.