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Finding the Fourth Proportional to 1,480.80, 2,222.59 and 750.89

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Solution

The fourth proportional to 1,480.80, 2,222.59 and 750.89 is: 1,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.80 : 2,222.59 = 750.89 : x
  2. Step 2: Convert to fraction form
    1,480.80/2,222.59 = 750.89/x
  3. Step 3: Cross multiply
    1,480.80x = 2,222.59 × 750.89
  4. Step 4: Simplify right side
    1,480.80x = 1,668,925.69
  5. Step 5: Solve for x
    x = 1,668,925.69/1,480.80
  6. Step 6: Final answer
    x = 1,127.04

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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.