Home / 1,764.31-2,434.34-1,135.05

Finding the Fourth Proportional to 1,764.31, 2,434.34 and 1,135.05

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Solution

The fourth proportional to 1,764.31, 2,434.34 and 1,135.05 is: 1,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.31 : 2,434.34 = 1,135.05 : x
  2. Step 2: Convert to fraction form
    1,764.31/2,434.34 = 1,135.05/x
  3. Step 3: Cross multiply
    1,764.31x = 2,434.34 × 1,135.05
  4. Step 4: Simplify right side
    1,764.31x = 2,763,097.62
  5. Step 5: Solve for x
    x = 2,763,097.62/1,764.31
  6. Step 6: Final answer
    x = 1,566.11

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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.