Home / 2,182.20-3,277.50-1,870.56

Finding the Fourth Proportional to 2,182.20, 3,277.50 and 1,870.56

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Solution

The fourth proportional to 2,182.20, 3,277.50 and 1,870.56 is: 2,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.20 : 3,277.50 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    2,182.20/3,277.50 = 1,870.56/x
  3. Step 3: Cross multiply
    2,182.20x = 3,277.50 × 1,870.56
  4. Step 4: Simplify right side
    2,182.20x = 6,130,760.40
  5. Step 5: Solve for x
    x = 6,130,760.40/2,182.20
  6. Step 6: Final answer
    x = 2,809.44

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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.