Home / 2,145.06-3,217.41-1,456.16

Finding the Fourth Proportional to 2,145.06, 3,217.41 and 1,456.16

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Solution

The fourth proportional to 2,145.06, 3,217.41 and 1,456.16 is: 2,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.06 : 3,217.41 = 1,456.16 : x
  2. Step 2: Convert to fraction form
    2,145.06/3,217.41 = 1,456.16/x
  3. Step 3: Cross multiply
    2,145.06x = 3,217.41 × 1,456.16
  4. Step 4: Simplify right side
    2,145.06x = 4,685,047.66
  5. Step 5: Solve for x
    x = 4,685,047.66/2,145.06
  6. Step 6: Final answer
    x = 2,184.11

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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.