Home / 2,686.76-4,010.20-2,314.96

Finding the Fourth Proportional to 2,686.76, 4,010.20 and 2,314.96

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Solution

The fourth proportional to 2,686.76, 4,010.20 and 2,314.96 is: 3,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.76 : 4,010.20 = 2,314.96 : x
  2. Step 2: Convert to fraction form
    2,686.76/4,010.20 = 2,314.96/x
  3. Step 3: Cross multiply
    2,686.76x = 4,010.20 × 2,314.96
  4. Step 4: Simplify right side
    2,686.76x = 9,283,452.59
  5. Step 5: Solve for x
    x = 9,283,452.59/2,686.76
  6. Step 6: Final answer
    x = 3,455.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.