Home / 2,854.46-3,938.87-1,595.42

Finding the Fourth Proportional to 2,854.46, 3,938.87 and 1,595.42

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Solution

The fourth proportional to 2,854.46, 3,938.87 and 1,595.42 is: 2,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.46 : 3,938.87 = 1,595.42 : x
  2. Step 2: Convert to fraction form
    2,854.46/3,938.87 = 1,595.42/x
  3. Step 3: Cross multiply
    2,854.46x = 3,938.87 × 1,595.42
  4. Step 4: Simplify right side
    2,854.46x = 6,284,124.30
  5. Step 5: Solve for x
    x = 6,284,124.30/2,854.46
  6. Step 6: Final answer
    x = 2,201.51

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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.