Home / 1,088.03-1,628.31-845.66

Finding the Fourth Proportional to 1,088.03, 1,628.31 and 845.66

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Solution

The fourth proportional to 1,088.03, 1,628.31 and 845.66 is: 1,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.03 : 1,628.31 = 845.66 : x
  2. Step 2: Convert to fraction form
    1,088.03/1,628.31 = 845.66/x
  3. Step 3: Cross multiply
    1,088.03x = 1,628.31 × 845.66
  4. Step 4: Simplify right side
    1,088.03x = 1,376,996.63
  5. Step 5: Solve for x
    x = 1,376,996.63/1,088.03
  6. Step 6: Final answer
    x = 1,265.59

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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.