Home / 2,272.14-3,127.95-2,167.65

Finding the Fourth Proportional to 2,272.14, 3,127.95 and 2,167.65

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Solution

The fourth proportional to 2,272.14, 3,127.95 and 2,167.65 is: 2,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.14 : 3,127.95 = 2,167.65 : x
  2. Step 2: Convert to fraction form
    2,272.14/3,127.95 = 2,167.65/x
  3. Step 3: Cross multiply
    2,272.14x = 3,127.95 × 2,167.65
  4. Step 4: Simplify right side
    2,272.14x = 6,780,300.82
  5. Step 5: Solve for x
    x = 6,780,300.82/2,272.14
  6. Step 6: Final answer
    x = 2,984.10

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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.