Home / 3,488.39-5,231.86-2,907.14

Finding the Fourth Proportional to 3,488.39, 5,231.86 and 2,907.14

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Solution

The fourth proportional to 3,488.39, 5,231.86 and 2,907.14 is: 4,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.39 : 5,231.86 = 2,907.14 : x
  2. Step 2: Convert to fraction form
    3,488.39/5,231.86 = 2,907.14/x
  3. Step 3: Cross multiply
    3,488.39x = 5,231.86 × 2,907.14
  4. Step 4: Simplify right side
    3,488.39x = 15,209,749.48
  5. Step 5: Solve for x
    x = 15,209,749.48/3,488.39
  6. Step 6: Final answer
    x = 4,360.11

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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.