Home / 2,272.16-3,136.92-2,140.94

Finding the Fourth Proportional to 2,272.16, 3,136.92 and 2,140.94

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Solution

The fourth proportional to 2,272.16, 3,136.92 and 2,140.94 is: 2,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.16 : 3,136.92 = 2,140.94 : x
  2. Step 2: Convert to fraction form
    2,272.16/3,136.92 = 2,140.94/x
  3. Step 3: Cross multiply
    2,272.16x = 3,136.92 × 2,140.94
  4. Step 4: Simplify right side
    2,272.16x = 6,715,957.50
  5. Step 5: Solve for x
    x = 6,715,957.50/2,272.16
  6. Step 6: Final answer
    x = 2,955.76

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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.