Home / 3,881.50-5,822.45-1,108.59

Finding the Fourth Proportional to 3,881.50, 5,822.45 and 1,108.59

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Solution

The fourth proportional to 3,881.50, 5,822.45 and 1,108.59 is: 1,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.50 : 5,822.45 = 1,108.59 : x
  2. Step 2: Convert to fraction form
    3,881.50/5,822.45 = 1,108.59/x
  3. Step 3: Cross multiply
    3,881.50x = 5,822.45 × 1,108.59
  4. Step 4: Simplify right side
    3,881.50x = 6,454,675.19
  5. Step 5: Solve for x
    x = 6,454,675.19/3,881.50
  6. Step 6: Final answer
    x = 1,662.93

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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.