Home / 1,549.21-2,319.97-1,084.81

Finding the Fourth Proportional to 1,549.21, 2,319.97 and 1,084.81

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Solution

The fourth proportional to 1,549.21, 2,319.97 and 1,084.81 is: 1,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.21 : 2,319.97 = 1,084.81 : x
  2. Step 2: Convert to fraction form
    1,549.21/2,319.97 = 1,084.81/x
  3. Step 3: Cross multiply
    1,549.21x = 2,319.97 × 1,084.81
  4. Step 4: Simplify right side
    1,549.21x = 2,516,726.66
  5. Step 5: Solve for x
    x = 2,516,726.66/1,549.21
  6. Step 6: Final answer
    x = 1,624.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.