Home / 2,569.90-3,849.08-1,749.78

Finding the Fourth Proportional to 2,569.90, 3,849.08 and 1,749.78

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Solution

The fourth proportional to 2,569.90, 3,849.08 and 1,749.78 is: 2,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.90 : 3,849.08 = 1,749.78 : x
  2. Step 2: Convert to fraction form
    2,569.90/3,849.08 = 1,749.78/x
  3. Step 3: Cross multiply
    2,569.90x = 3,849.08 × 1,749.78
  4. Step 4: Simplify right side
    2,569.90x = 6,735,043.20
  5. Step 5: Solve for x
    x = 6,735,043.20/2,569.90
  6. Step 6: Final answer
    x = 2,620.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.