Home / 2,184.38-3,275.34-1,491.90

Finding the Fourth Proportional to 2,184.38, 3,275.34 and 1,491.90

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Solution

The fourth proportional to 2,184.38, 3,275.34 and 1,491.90 is: 2,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.38 : 3,275.34 = 1,491.90 : x
  2. Step 2: Convert to fraction form
    2,184.38/3,275.34 = 1,491.90/x
  3. Step 3: Cross multiply
    2,184.38x = 3,275.34 × 1,491.90
  4. Step 4: Simplify right side
    2,184.38x = 4,886,479.75
  5. Step 5: Solve for x
    x = 4,886,479.75/2,184.38
  6. Step 6: Final answer
    x = 2,237.01

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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.