Home / 1,973.92-2,961.24-675.04

Finding the Fourth Proportional to 1,973.92, 2,961.24 and 675.04

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Solution

The fourth proportional to 1,973.92, 2,961.24 and 675.04 is: 1,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.92 : 2,961.24 = 675.04 : x
  2. Step 2: Convert to fraction form
    1,973.92/2,961.24 = 675.04/x
  3. Step 3: Cross multiply
    1,973.92x = 2,961.24 × 675.04
  4. Step 4: Simplify right side
    1,973.92x = 1,998,955.45
  5. Step 5: Solve for x
    x = 1,998,955.45/1,973.92
  6. Step 6: Final answer
    x = 1,012.68

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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.