Home / 1,181.17-1,630.23-683.97

Finding the Fourth Proportional to 1,181.17, 1,630.23 and 683.97

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Solution

The fourth proportional to 1,181.17, 1,630.23 and 683.97 is: 944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.17 : 1,630.23 = 683.97 : x
  2. Step 2: Convert to fraction form
    1,181.17/1,630.23 = 683.97/x
  3. Step 3: Cross multiply
    1,181.17x = 1,630.23 × 683.97
  4. Step 4: Simplify right side
    1,181.17x = 1,115,024.32
  5. Step 5: Solve for x
    x = 1,115,024.32/1,181.17
  6. Step 6: Final answer
    x = 944.00

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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.