Home / 2,648.91-3,973.40-800.04

Finding the Fourth Proportional to 2,648.91, 3,973.40 and 800.04

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Solution

The fourth proportional to 2,648.91, 3,973.40 and 800.04 is: 1,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.91 : 3,973.40 = 800.04 : x
  2. Step 2: Convert to fraction form
    2,648.91/3,973.40 = 800.04/x
  3. Step 3: Cross multiply
    2,648.91x = 3,973.40 × 800.04
  4. Step 4: Simplify right side
    2,648.91x = 3,178,888.87
  5. Step 5: Solve for x
    x = 3,178,888.87/2,648.91
  6. Step 6: Final answer
    x = 1,200.07

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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.