Home / 2,800.08-4,195.80-1,877.04

Finding the Fourth Proportional to 2,800.08, 4,195.80 and 1,877.04

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Solution

The fourth proportional to 2,800.08, 4,195.80 and 1,877.04 is: 2,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.08 : 4,195.80 = 1,877.04 : x
  2. Step 2: Convert to fraction form
    2,800.08/4,195.80 = 1,877.04/x
  3. Step 3: Cross multiply
    2,800.08x = 4,195.80 × 1,877.04
  4. Step 4: Simplify right side
    2,800.08x = 7,875,684.43
  5. Step 5: Solve for x
    x = 7,875,684.43/2,800.08
  6. Step 6: Final answer
    x = 2,812.66

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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.