Home / 2,656.13-3,976.41-1,862.74

Finding the Fourth Proportional to 2,656.13, 3,976.41 and 1,862.74

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Solution

The fourth proportional to 2,656.13, 3,976.41 and 1,862.74 is: 2,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.13 : 3,976.41 = 1,862.74 : x
  2. Step 2: Convert to fraction form
    2,656.13/3,976.41 = 1,862.74/x
  3. Step 3: Cross multiply
    2,656.13x = 3,976.41 × 1,862.74
  4. Step 4: Simplify right side
    2,656.13x = 7,407,017.96
  5. Step 5: Solve for x
    x = 7,407,017.96/2,656.13
  6. Step 6: Final answer
    x = 2,788.65

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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.