Home / 1,455.34-2,182.50-481.18

Finding the Fourth Proportional to 1,455.34, 2,182.50 and 481.18

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Solution

The fourth proportional to 1,455.34, 2,182.50 and 481.18 is: 721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.34 : 2,182.50 = 481.18 : x
  2. Step 2: Convert to fraction form
    1,455.34/2,182.50 = 481.18/x
  3. Step 3: Cross multiply
    1,455.34x = 2,182.50 × 481.18
  4. Step 4: Simplify right side
    1,455.34x = 1,050,175.35
  5. Step 5: Solve for x
    x = 1,050,175.35/1,455.34
  6. Step 6: Final answer
    x = 721.60

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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.