Home / 3,937.18-5,902.53-1,856.11

Finding the Fourth Proportional to 3,937.18, 5,902.53 and 1,856.11

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Solution

The fourth proportional to 3,937.18, 5,902.53 and 1,856.11 is: 2,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.18 : 5,902.53 = 1,856.11 : x
  2. Step 2: Convert to fraction form
    3,937.18/5,902.53 = 1,856.11/x
  3. Step 3: Cross multiply
    3,937.18x = 5,902.53 × 1,856.11
  4. Step 4: Simplify right side
    3,937.18x = 10,955,744.96
  5. Step 5: Solve for x
    x = 10,955,744.96/3,937.18
  6. Step 6: Final answer
    x = 2,782.64

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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.