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Finding the Fourth Proportional to 2,341.86, 3,512.16 and 697.95

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Solution

The fourth proportional to 2,341.86, 3,512.16 and 697.95 is: 1,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.86 : 3,512.16 = 697.95 : x
  2. Step 2: Convert to fraction form
    2,341.86/3,512.16 = 697.95/x
  3. Step 3: Cross multiply
    2,341.86x = 3,512.16 × 697.95
  4. Step 4: Simplify right side
    2,341.86x = 2,451,312.07
  5. Step 5: Solve for x
    x = 2,451,312.07/2,341.86
  6. Step 6: Final answer
    x = 1,046.74

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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.