Home / 3,852.50-5,778.89-1,079.43

Finding the Fourth Proportional to 3,852.50, 5,778.89 and 1,079.43

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Solution

The fourth proportional to 3,852.50, 5,778.89 and 1,079.43 is: 1,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.50 : 5,778.89 = 1,079.43 : x
  2. Step 2: Convert to fraction form
    3,852.50/5,778.89 = 1,079.43/x
  3. Step 3: Cross multiply
    3,852.50x = 5,778.89 × 1,079.43
  4. Step 4: Simplify right side
    3,852.50x = 6,237,901.84
  5. Step 5: Solve for x
    x = 6,237,901.84/3,852.50
  6. Step 6: Final answer
    x = 1,619.18

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1.5x scale

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.