Home / 1,484.30-2,049.20-1,320.26

Finding the Fourth Proportional to 1,484.30, 2,049.20 and 1,320.26

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Solution

The fourth proportional to 1,484.30, 2,049.20 and 1,320.26 is: 1,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.30 : 2,049.20 = 1,320.26 : x
  2. Step 2: Convert to fraction form
    1,484.30/2,049.20 = 1,320.26/x
  3. Step 3: Cross multiply
    1,484.30x = 2,049.20 × 1,320.26
  4. Step 4: Simplify right side
    1,484.30x = 2,705,476.79
  5. Step 5: Solve for x
    x = 2,705,476.79/1,484.30
  6. Step 6: Final answer
    x = 1,822.73

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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.