Home / 2,988.65-4,476.03-2,884.84

Finding the Fourth Proportional to 2,988.65, 4,476.03 and 2,884.84

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Solution

The fourth proportional to 2,988.65, 4,476.03 and 2,884.84 is: 4,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.65 : 4,476.03 = 2,884.84 : x
  2. Step 2: Convert to fraction form
    2,988.65/4,476.03 = 2,884.84/x
  3. Step 3: Cross multiply
    2,988.65x = 4,476.03 × 2,884.84
  4. Step 4: Simplify right side
    2,988.65x = 12,912,608.38
  5. Step 5: Solve for x
    x = 12,912,608.38/2,988.65
  6. Step 6: Final answer
    x = 4,320.55

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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.