Home / 2,797.50-3,860.56-1,749.64

Finding the Fourth Proportional to 2,797.50, 3,860.56 and 1,749.64

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Solution

The fourth proportional to 2,797.50, 3,860.56 and 1,749.64 is: 2,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.50 : 3,860.56 = 1,749.64 : x
  2. Step 2: Convert to fraction form
    2,797.50/3,860.56 = 1,749.64/x
  3. Step 3: Cross multiply
    2,797.50x = 3,860.56 × 1,749.64
  4. Step 4: Simplify right side
    2,797.50x = 6,754,590.20
  5. Step 5: Solve for x
    x = 6,754,590.20/2,797.50
  6. Step 6: Final answer
    x = 2,414.51

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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.