Home / 3,060.12-4,223.62-1,865.50

Finding the Fourth Proportional to 3,060.12, 4,223.62 and 1,865.50

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Solution

The fourth proportional to 3,060.12, 4,223.62 and 1,865.50 is: 2,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.12 : 4,223.62 = 1,865.50 : x
  2. Step 2: Convert to fraction form
    3,060.12/4,223.62 = 1,865.50/x
  3. Step 3: Cross multiply
    3,060.12x = 4,223.62 × 1,865.50
  4. Step 4: Simplify right side
    3,060.12x = 7,879,163.11
  5. Step 5: Solve for x
    x = 7,879,163.11/3,060.12
  6. Step 6: Final answer
    x = 2,574.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.