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Finding the Fourth Proportional to 1,695.85, 2,339.85 and 1,032.66

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Solution

The fourth proportional to 1,695.85, 2,339.85 and 1,032.66 is: 1,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.85 : 2,339.85 = 1,032.66 : x
  2. Step 2: Convert to fraction form
    1,695.85/2,339.85 = 1,032.66/x
  3. Step 3: Cross multiply
    1,695.85x = 2,339.85 × 1,032.66
  4. Step 4: Simplify right side
    1,695.85x = 2,416,273.37
  5. Step 5: Solve for x
    x = 2,416,273.37/1,695.85
  6. Step 6: Final answer
    x = 1,424.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.