Home / 1,549.18-2,137.92-959.50

Finding the Fourth Proportional to 1,549.18, 2,137.92 and 959.50

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Solution

The fourth proportional to 1,549.18, 2,137.92 and 959.50 is: 1,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.18 : 2,137.92 = 959.50 : x
  2. Step 2: Convert to fraction form
    1,549.18/2,137.92 = 959.50/x
  3. Step 3: Cross multiply
    1,549.18x = 2,137.92 × 959.50
  4. Step 4: Simplify right side
    1,549.18x = 2,051,334.24
  5. Step 5: Solve for x
    x = 2,051,334.24/1,549.18
  6. Step 6: Final answer
    x = 1,324.14

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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.