Home / 2,886.24-3,982.76-1,707.12

Finding the Fourth Proportional to 2,886.24, 3,982.76 and 1,707.12

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Solution

The fourth proportional to 2,886.24, 3,982.76 and 1,707.12 is: 2,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.24 : 3,982.76 = 1,707.12 : x
  2. Step 2: Convert to fraction form
    2,886.24/3,982.76 = 1,707.12/x
  3. Step 3: Cross multiply
    2,886.24x = 3,982.76 × 1,707.12
  4. Step 4: Simplify right side
    2,886.24x = 6,799,049.25
  5. Step 5: Solve for x
    x = 6,799,049.25/2,886.24
  6. Step 6: Final answer
    x = 2,355.68

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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.