Home / 3,488.18-5,232.06-2,939.40

Finding the Fourth Proportional to 3,488.18, 5,232.06 and 2,939.40

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Solution

The fourth proportional to 3,488.18, 5,232.06 and 2,939.40 is: 4,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.18 : 5,232.06 = 2,939.40 : x
  2. Step 2: Convert to fraction form
    3,488.18/5,232.06 = 2,939.40/x
  3. Step 3: Cross multiply
    3,488.18x = 5,232.06 × 2,939.40
  4. Step 4: Simplify right side
    3,488.18x = 15,379,117.16
  5. Step 5: Solve for x
    x = 15,379,117.16/3,488.18
  6. Step 6: Final answer
    x = 4,408.93

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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.