Home / 2,749.47-4,125.89-2,292.90

Finding the Fourth Proportional to 2,749.47, 4,125.89 and 2,292.90

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Solution

The fourth proportional to 2,749.47, 4,125.89 and 2,292.90 is: 3,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.47 : 4,125.89 = 2,292.90 : x
  2. Step 2: Convert to fraction form
    2,749.47/4,125.89 = 2,292.90/x
  3. Step 3: Cross multiply
    2,749.47x = 4,125.89 × 2,292.90
  4. Step 4: Simplify right side
    2,749.47x = 9,460,221.09
  5. Step 5: Solve for x
    x = 9,460,221.09/2,749.47
  6. Step 6: Final answer
    x = 3,440.75

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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.