Home / 1,480.29-2,218.84-749.93

Finding the Fourth Proportional to 1,480.29, 2,218.84 and 749.93

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Solution

The fourth proportional to 1,480.29, 2,218.84 and 749.93 is: 1,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.29 : 2,218.84 = 749.93 : x
  2. Step 2: Convert to fraction form
    1,480.29/2,218.84 = 749.93/x
  3. Step 3: Cross multiply
    1,480.29x = 2,218.84 × 749.93
  4. Step 4: Simplify right side
    1,480.29x = 1,663,965.93
  5. Step 5: Solve for x
    x = 1,663,965.93/1,480.29
  6. Step 6: Final answer
    x = 1,124.08

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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.