Home / 2,806.03-3,873.88-1,687.24

Finding the Fourth Proportional to 2,806.03, 3,873.88 and 1,687.24

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Solution

The fourth proportional to 2,806.03, 3,873.88 and 1,687.24 is: 2,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.03 : 3,873.88 = 1,687.24 : x
  2. Step 2: Convert to fraction form
    2,806.03/3,873.88 = 1,687.24/x
  3. Step 3: Cross multiply
    2,806.03x = 3,873.88 × 1,687.24
  4. Step 4: Simplify right side
    2,806.03x = 6,536,165.29
  5. Step 5: Solve for x
    x = 6,536,165.29/2,806.03
  6. Step 6: Final answer
    x = 2,329.33

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1.5x scale

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.