Home / 1,135.50-1,694.06-1,026.15

Finding the Fourth Proportional to 1,135.50, 1,694.06 and 1,026.15

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Solution

The fourth proportional to 1,135.50, 1,694.06 and 1,026.15 is: 1,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.50 : 1,694.06 = 1,026.15 : x
  2. Step 2: Convert to fraction form
    1,135.50/1,694.06 = 1,026.15/x
  3. Step 3: Cross multiply
    1,135.50x = 1,694.06 × 1,026.15
  4. Step 4: Simplify right side
    1,135.50x = 1,738,354.54
  5. Step 5: Solve for x
    x = 1,738,354.54/1,135.50
  6. Step 6: Final answer
    x = 1,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.