Home / 3,378.48-4,666.78-2,717.82

Finding the Fourth Proportional to 3,378.48, 4,666.78 and 2,717.82

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Solution

The fourth proportional to 3,378.48, 4,666.78 and 2,717.82 is: 3,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.48 : 4,666.78 = 2,717.82 : x
  2. Step 2: Convert to fraction form
    3,378.48/4,666.78 = 2,717.82/x
  3. Step 3: Cross multiply
    3,378.48x = 4,666.78 × 2,717.82
  4. Step 4: Simplify right side
    3,378.48x = 12,683,468.02
  5. Step 5: Solve for x
    x = 12,683,468.02/3,378.48
  6. Step 6: Final answer
    x = 3,754.19

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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.