Home / 2,712.96-4,070.40-2,053.92

Finding the Fourth Proportional to 2,712.96, 4,070.40 and 2,053.92

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Solution

The fourth proportional to 2,712.96, 4,070.40 and 2,053.92 is: 3,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.96 : 4,070.40 = 2,053.92 : x
  2. Step 2: Convert to fraction form
    2,712.96/4,070.40 = 2,053.92/x
  3. Step 3: Cross multiply
    2,712.96x = 4,070.40 × 2,053.92
  4. Step 4: Simplify right side
    2,712.96x = 8,360,275.97
  5. Step 5: Solve for x
    x = 8,360,275.97/2,712.96
  6. Step 6: Final answer
    x = 3,081.61

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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.