Home / 2,312.17-3,469.64-852.34

Finding the Fourth Proportional to 2,312.17, 3,469.64 and 852.34

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Solution

The fourth proportional to 2,312.17, 3,469.64 and 852.34 is: 1,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.17 : 3,469.64 = 852.34 : x
  2. Step 2: Convert to fraction form
    2,312.17/3,469.64 = 852.34/x
  3. Step 3: Cross multiply
    2,312.17x = 3,469.64 × 852.34
  4. Step 4: Simplify right side
    2,312.17x = 2,957,312.96
  5. Step 5: Solve for x
    x = 2,957,312.96/2,312.17
  6. Step 6: Final answer
    x = 1,279.02

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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.