Home / 2,714.97-4,071.40-1,155.71

Finding the Fourth Proportional to 2,714.97, 4,071.40 and 1,155.71

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Solution

The fourth proportional to 2,714.97, 4,071.40 and 1,155.71 is: 1,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.97 : 4,071.40 = 1,155.71 : x
  2. Step 2: Convert to fraction form
    2,714.97/4,071.40 = 1,155.71/x
  3. Step 3: Cross multiply
    2,714.97x = 4,071.40 × 1,155.71
  4. Step 4: Simplify right side
    2,714.97x = 4,705,341.23
  5. Step 5: Solve for x
    x = 4,705,341.23/2,714.97
  6. Step 6: Final answer
    x = 1,733.11

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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.