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Finding the Fourth Proportional to 1,695.05, 2,542.48 and 462.45

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Solution

The fourth proportional to 1,695.05, 2,542.48 and 462.45 is: 693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.05 : 2,542.48 = 462.45 : x
  2. Step 2: Convert to fraction form
    1,695.05/2,542.48 = 462.45/x
  3. Step 3: Cross multiply
    1,695.05x = 2,542.48 × 462.45
  4. Step 4: Simplify right side
    1,695.05x = 1,175,768.72
  5. Step 5: Solve for x
    x = 1,175,768.72/1,695.05
  6. Step 6: Final answer
    x = 693.65

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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.