Home / 1,110.32-1,532.27-612.94

Finding the Fourth Proportional to 1,110.32, 1,532.27 and 612.94

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Solution

The fourth proportional to 1,110.32, 1,532.27 and 612.94 is: 845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.32 : 1,532.27 = 612.94 : x
  2. Step 2: Convert to fraction form
    1,110.32/1,532.27 = 612.94/x
  3. Step 3: Cross multiply
    1,110.32x = 1,532.27 × 612.94
  4. Step 4: Simplify right side
    1,110.32x = 939,187.28
  5. Step 5: Solve for x
    x = 939,187.28/1,110.32
  6. Step 6: Final answer
    x = 845.87

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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.