Home / 1,135.28-1,703.23-1,026.83

Finding the Fourth Proportional to 1,135.28, 1,703.23 and 1,026.83

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Solution

The fourth proportional to 1,135.28, 1,703.23 and 1,026.83 is: 1,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.28 : 1,703.23 = 1,026.83 : x
  2. Step 2: Convert to fraction form
    1,135.28/1,703.23 = 1,026.83/x
  3. Step 3: Cross multiply
    1,135.28x = 1,703.23 × 1,026.83
  4. Step 4: Simplify right side
    1,135.28x = 1,748,929.35
  5. Step 5: Solve for x
    x = 1,748,929.35/1,135.28
  6. Step 6: Final answer
    x = 1,540.52

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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.