Home / 1,763.21-2,432.52-1,231.94

Finding the Fourth Proportional to 1,763.21, 2,432.52 and 1,231.94

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Solution

The fourth proportional to 1,763.21, 2,432.52 and 1,231.94 is: 1,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.21 : 2,432.52 = 1,231.94 : x
  2. Step 2: Convert to fraction form
    1,763.21/2,432.52 = 1,231.94/x
  3. Step 3: Cross multiply
    1,763.21x = 2,432.52 × 1,231.94
  4. Step 4: Simplify right side
    1,763.21x = 2,996,706.53
  5. Step 5: Solve for x
    x = 2,996,706.53/1,763.21
  6. Step 6: Final answer
    x = 1,699.58

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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.