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Finding the Fourth Proportional to 2,341.89, 3,512.87 and 610.51

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Solution

The fourth proportional to 2,341.89, 3,512.87 and 610.51 is: 915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.89 : 3,512.87 = 610.51 : x
  2. Step 2: Convert to fraction form
    2,341.89/3,512.87 = 610.51/x
  3. Step 3: Cross multiply
    2,341.89x = 3,512.87 × 610.51
  4. Step 4: Simplify right side
    2,341.89x = 2,144,649.18
  5. Step 5: Solve for x
    x = 2,144,649.18/2,341.89
  6. Step 6: Final answer
    x = 915.78

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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.