Home / 1,693.10-2,336.87-1,102.61

Finding the Fourth Proportional to 1,693.10, 2,336.87 and 1,102.61

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Solution

The fourth proportional to 1,693.10, 2,336.87 and 1,102.61 is: 1,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.10 : 2,336.87 = 1,102.61 : x
  2. Step 2: Convert to fraction form
    1,693.10/2,336.87 = 1,102.61/x
  3. Step 3: Cross multiply
    1,693.10x = 2,336.87 × 1,102.61
  4. Step 4: Simplify right side
    1,693.10x = 2,576,656.23
  5. Step 5: Solve for x
    x = 2,576,656.23/1,693.10
  6. Step 6: Final answer
    x = 1,521.86

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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.