Home / 2,718.84-4,077.65-1,256.59

Finding the Fourth Proportional to 2,718.84, 4,077.65 and 1,256.59

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Solution

The fourth proportional to 2,718.84, 4,077.65 and 1,256.59 is: 1,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.84 : 4,077.65 = 1,256.59 : x
  2. Step 2: Convert to fraction form
    2,718.84/4,077.65 = 1,256.59/x
  3. Step 3: Cross multiply
    2,718.84x = 4,077.65 × 1,256.59
  4. Step 4: Simplify right side
    2,718.84x = 5,123,934.21
  5. Step 5: Solve for x
    x = 5,123,934.21/2,718.84
  6. Step 6: Final answer
    x = 1,884.60

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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.