Home / 2,718.76-4,077.52-1,330.71

Finding the Fourth Proportional to 2,718.76, 4,077.52 and 1,330.71

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Solution

The fourth proportional to 2,718.76, 4,077.52 and 1,330.71 is: 1,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.76 : 4,077.52 = 1,330.71 : x
  2. Step 2: Convert to fraction form
    2,718.76/4,077.52 = 1,330.71/x
  3. Step 3: Cross multiply
    2,718.76x = 4,077.52 × 1,330.71
  4. Step 4: Simplify right side
    2,718.76x = 5,425,989.99
  5. Step 5: Solve for x
    x = 5,425,989.99/2,718.76
  6. Step 6: Final answer
    x = 1,995.76

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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.