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Finding the Fourth Proportional to 3,362.18, 5,041.71 and 1,860.18

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Solution

The fourth proportional to 3,362.18, 5,041.71 and 1,860.18 is: 2,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.18 : 5,041.71 = 1,860.18 : x
  2. Step 2: Convert to fraction form
    3,362.18/5,041.71 = 1,860.18/x
  3. Step 3: Cross multiply
    3,362.18x = 5,041.71 × 1,860.18
  4. Step 4: Simplify right side
    3,362.18x = 9,378,497.56
  5. Step 5: Solve for x
    x = 9,378,497.56/3,362.18
  6. Step 6: Final answer
    x = 2,789.41

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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.