Home / 2,162.08-3,246.08-2,136.16

Finding the Fourth Proportional to 2,162.08, 3,246.08 and 2,136.16

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Solution

The fourth proportional to 2,162.08, 3,246.08 and 2,136.16 is: 3,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.08 : 3,246.08 = 2,136.16 : x
  2. Step 2: Convert to fraction form
    2,162.08/3,246.08 = 2,136.16/x
  3. Step 3: Cross multiply
    2,162.08x = 3,246.08 × 2,136.16
  4. Step 4: Simplify right side
    2,162.08x = 6,934,146.25
  5. Step 5: Solve for x
    x = 6,934,146.25/2,162.08
  6. Step 6: Final answer
    x = 3,207.16

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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.