Home / 2,868.55-3,959.21-1,749.26

Finding the Fourth Proportional to 2,868.55, 3,959.21 and 1,749.26

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Solution

The fourth proportional to 2,868.55, 3,959.21 and 1,749.26 is: 2,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.55 : 3,959.21 = 1,749.26 : x
  2. Step 2: Convert to fraction form
    2,868.55/3,959.21 = 1,749.26/x
  3. Step 3: Cross multiply
    2,868.55x = 3,959.21 × 1,749.26
  4. Step 4: Simplify right side
    2,868.55x = 6,925,701.96
  5. Step 5: Solve for x
    x = 6,925,701.96/2,868.55
  6. Step 6: Final answer
    x = 2,414.36

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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.