Home / 2,877.70-4,316.55-2,002.90

Finding the Fourth Proportional to 2,877.70, 4,316.55 and 2,002.90

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Solution

The fourth proportional to 2,877.70, 4,316.55 and 2,002.90 is: 3,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.70 : 4,316.55 = 2,002.90 : x
  2. Step 2: Convert to fraction form
    2,877.70/4,316.55 = 2,002.90/x
  3. Step 3: Cross multiply
    2,877.70x = 4,316.55 × 2,002.90
  4. Step 4: Simplify right side
    2,877.70x = 8,645,618.00
  5. Step 5: Solve for x
    x = 8,645,618.00/2,877.70
  6. Step 6: Final answer
    x = 3,004.35

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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.