Home / 2,854.28-3,938.99-1,595.48

Finding the Fourth Proportional to 2,854.28, 3,938.99 and 1,595.48

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Solution

The fourth proportional to 2,854.28, 3,938.99 and 1,595.48 is: 2,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.28 : 3,938.99 = 1,595.48 : x
  2. Step 2: Convert to fraction form
    2,854.28/3,938.99 = 1,595.48/x
  3. Step 3: Cross multiply
    2,854.28x = 3,938.99 × 1,595.48
  4. Step 4: Simplify right side
    2,854.28x = 6,284,552.09
  5. Step 5: Solve for x
    x = 6,284,552.09/2,854.28
  6. Step 6: Final answer
    x = 2,201.80

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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.