Home / 2,686.85-4,025.96-2,254.85

Finding the Fourth Proportional to 2,686.85, 4,025.96 and 2,254.85

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Solution

The fourth proportional to 2,686.85, 4,025.96 and 2,254.85 is: 3,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.85 : 4,025.96 = 2,254.85 : x
  2. Step 2: Convert to fraction form
    2,686.85/4,025.96 = 2,254.85/x
  3. Step 3: Cross multiply
    2,686.85x = 4,025.96 × 2,254.85
  4. Step 4: Simplify right side
    2,686.85x = 9,077,924.63
  5. Step 5: Solve for x
    x = 9,077,924.63/2,686.85
  6. Step 6: Final answer
    x = 3,378.65

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1.5x scale

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.