Home / 2,854.08-4,278.19-1,814.85

Finding the Fourth Proportional to 2,854.08, 4,278.19 and 1,814.85

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Solution

The fourth proportional to 2,854.08, 4,278.19 and 1,814.85 is: 2,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.08 : 4,278.19 = 1,814.85 : x
  2. Step 2: Convert to fraction form
    2,854.08/4,278.19 = 1,814.85/x
  3. Step 3: Cross multiply
    2,854.08x = 4,278.19 × 1,814.85
  4. Step 4: Simplify right side
    2,854.08x = 7,764,247.19
  5. Step 5: Solve for x
    x = 7,764,247.19/2,854.08
  6. Step 6: Final answer
    x = 2,720.41

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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.