Home / 2,746.59-3,785.85-2,148.02

Finding the Fourth Proportional to 2,746.59, 3,785.85 and 2,148.02

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Solution

The fourth proportional to 2,746.59, 3,785.85 and 2,148.02 is: 2,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.59 : 3,785.85 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    2,746.59/3,785.85 = 2,148.02/x
  3. Step 3: Cross multiply
    2,746.59x = 3,785.85 × 2,148.02
  4. Step 4: Simplify right side
    2,746.59x = 8,132,062.59
  5. Step 5: Solve for x
    x = 8,132,062.59/2,746.59
  6. Step 6: Final answer
    x = 2,960.79

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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.