Home / 2,320.88-3,479.70-1,149.46

Finding the Fourth Proportional to 2,320.88, 3,479.70 and 1,149.46

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Solution

The fourth proportional to 2,320.88, 3,479.70 and 1,149.46 is: 1,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.88 : 3,479.70 = 1,149.46 : x
  2. Step 2: Convert to fraction form
    2,320.88/3,479.70 = 1,149.46/x
  3. Step 3: Cross multiply
    2,320.88x = 3,479.70 × 1,149.46
  4. Step 4: Simplify right side
    2,320.88x = 3,999,767.26
  5. Step 5: Solve for x
    x = 3,999,767.26/2,320.88
  6. Step 6: Final answer
    x = 1,723.38

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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.