Home / 3,475.85-5,207.69-2,894.59

Finding the Fourth Proportional to 3,475.85, 5,207.69 and 2,894.59

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Solution

The fourth proportional to 3,475.85, 5,207.69 and 2,894.59 is: 4,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.85 : 5,207.69 = 2,894.59 : x
  2. Step 2: Convert to fraction form
    3,475.85/5,207.69 = 2,894.59/x
  3. Step 3: Cross multiply
    3,475.85x = 5,207.69 × 2,894.59
  4. Step 4: Simplify right side
    3,475.85x = 15,074,111.85
  5. Step 5: Solve for x
    x = 15,074,111.85/3,475.85
  6. Step 6: Final answer
    x = 4,336.82

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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.