Home / 2,716.99-4,077.52-1,257.17

Finding the Fourth Proportional to 2,716.99, 4,077.52 and 1,257.17

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Solution

The fourth proportional to 2,716.99, 4,077.52 and 1,257.17 is: 1,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.99 : 4,077.52 = 1,257.17 : x
  2. Step 2: Convert to fraction form
    2,716.99/4,077.52 = 1,257.17/x
  3. Step 3: Cross multiply
    2,716.99x = 4,077.52 × 1,257.17
  4. Step 4: Simplify right side
    2,716.99x = 5,126,112.29
  5. Step 5: Solve for x
    x = 5,126,112.29/2,716.99
  6. Step 6: Final answer
    x = 1,886.69

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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.