Home / 2,277.20-3,136.20-2,110.16

Finding the Fourth Proportional to 2,277.20, 3,136.20 and 2,110.16

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Solution

The fourth proportional to 2,277.20, 3,136.20 and 2,110.16 is: 2,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.20 : 3,136.20 = 2,110.16 : x
  2. Step 2: Convert to fraction form
    2,277.20/3,136.20 = 2,110.16/x
  3. Step 3: Cross multiply
    2,277.20x = 3,136.20 × 2,110.16
  4. Step 4: Simplify right side
    2,277.20x = 6,617,883.79
  5. Step 5: Solve for x
    x = 6,617,883.79/2,277.20
  6. Step 6: Final answer
    x = 2,906.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.