Home / 2,731.08-3,768.78-1,552.14

Finding the Fourth Proportional to 2,731.08, 3,768.78 and 1,552.14

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Solution

The fourth proportional to 2,731.08, 3,768.78 and 1,552.14 is: 2,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.08 : 3,768.78 = 1,552.14 : x
  2. Step 2: Convert to fraction form
    2,731.08/3,768.78 = 1,552.14/x
  3. Step 3: Cross multiply
    2,731.08x = 3,768.78 × 1,552.14
  4. Step 4: Simplify right side
    2,731.08x = 5,849,674.19
  5. Step 5: Solve for x
    x = 5,849,674.19/2,731.08
  6. Step 6: Final answer
    x = 2,141.89

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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.