Home / 2,687.04-3,711.12-1,801.44

Finding the Fourth Proportional to 2,687.04, 3,711.12 and 1,801.44

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Solution

The fourth proportional to 2,687.04, 3,711.12 and 1,801.44 is: 2,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.04 : 3,711.12 = 1,801.44 : x
  2. Step 2: Convert to fraction form
    2,687.04/3,711.12 = 1,801.44/x
  3. Step 3: Cross multiply
    2,687.04x = 3,711.12 × 1,801.44
  4. Step 4: Simplify right side
    2,687.04x = 6,685,360.01
  5. Step 5: Solve for x
    x = 6,685,360.01/2,687.04
  6. Step 6: Final answer
    x = 2,488.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.