Home / 3,391.41-4,676.16-2,718.68

Finding the Fourth Proportional to 3,391.41, 4,676.16 and 2,718.68

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Solution

The fourth proportional to 3,391.41, 4,676.16 and 2,718.68 is: 3,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.41 : 4,676.16 = 2,718.68 : x
  2. Step 2: Convert to fraction form
    3,391.41/4,676.16 = 2,718.68/x
  3. Step 3: Cross multiply
    3,391.41x = 4,676.16 × 2,718.68
  4. Step 4: Simplify right side
    3,391.41x = 12,712,959.29
  5. Step 5: Solve for x
    x = 12,712,959.29/3,391.41
  6. Step 6: Final answer
    x = 3,748.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.