Home / 1,418.67-1,959.66-1,156.23

Finding the Fourth Proportional to 1,418.67, 1,959.66 and 1,156.23

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Solution

The fourth proportional to 1,418.67, 1,959.66 and 1,156.23 is: 1,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.67 : 1,959.66 = 1,156.23 : x
  2. Step 2: Convert to fraction form
    1,418.67/1,959.66 = 1,156.23/x
  3. Step 3: Cross multiply
    1,418.67x = 1,959.66 × 1,156.23
  4. Step 4: Simplify right side
    1,418.67x = 2,265,817.68
  5. Step 5: Solve for x
    x = 2,265,817.68/1,418.67
  6. Step 6: Final answer
    x = 1,597.14

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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.