Home / 2,854.45-3,938.87-1,595.10

Finding the Fourth Proportional to 2,854.45, 3,938.87 and 1,595.10

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Solution

The fourth proportional to 2,854.45, 3,938.87 and 1,595.10 is: 2,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.45 : 3,938.87 = 1,595.10 : x
  2. Step 2: Convert to fraction form
    2,854.45/3,938.87 = 1,595.10/x
  3. Step 3: Cross multiply
    2,854.45x = 3,938.87 × 1,595.10
  4. Step 4: Simplify right side
    2,854.45x = 6,282,883.56
  5. Step 5: Solve for x
    x = 6,282,883.56/2,854.45
  6. Step 6: Final answer
    x = 2,201.09

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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.