Home / 2,746.30-4,119.47-2,197.78

Finding the Fourth Proportional to 2,746.30, 4,119.47 and 2,197.78

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Solution

The fourth proportional to 2,746.30, 4,119.47 and 2,197.78 is: 3,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.30 : 4,119.47 = 2,197.78 : x
  2. Step 2: Convert to fraction form
    2,746.30/4,119.47 = 2,197.78/x
  3. Step 3: Cross multiply
    2,746.30x = 4,119.47 × 2,197.78
  4. Step 4: Simplify right side
    2,746.30x = 9,053,688.78
  5. Step 5: Solve for x
    x = 9,053,688.78/2,746.30
  6. Step 6: Final answer
    x = 3,296.69

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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.