Home / 1,549.17-2,137.14-959.49

Finding the Fourth Proportional to 1,549.17, 2,137.14 and 959.49

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Solution

The fourth proportional to 1,549.17, 2,137.14 and 959.49 is: 1,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.17 : 2,137.14 = 959.49 : x
  2. Step 2: Convert to fraction form
    1,549.17/2,137.14 = 959.49/x
  3. Step 3: Cross multiply
    1,549.17x = 2,137.14 × 959.49
  4. Step 4: Simplify right side
    1,549.17x = 2,050,564.46
  5. Step 5: Solve for x
    x = 2,050,564.46/1,549.17
  6. Step 6: Final answer
    x = 1,323.65

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1.5x scale

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.