Home / 3,475.17-5,207.28-1,912.89

Finding the Fourth Proportional to 3,475.17, 5,207.28 and 1,912.89

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Solution

The fourth proportional to 3,475.17, 5,207.28 and 1,912.89 is: 2,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.17 : 5,207.28 = 1,912.89 : x
  2. Step 2: Convert to fraction form
    3,475.17/5,207.28 = 1,912.89/x
  3. Step 3: Cross multiply
    3,475.17x = 5,207.28 × 1,912.89
  4. Step 4: Simplify right side
    3,475.17x = 9,960,953.84
  5. Step 5: Solve for x
    x = 9,960,953.84/3,475.17
  6. Step 6: Final answer
    x = 2,866.32

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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.