Home / 2,687.08-4,011.81-2,522.28

Finding the Fourth Proportional to 2,687.08, 4,011.81 and 2,522.28

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Solution

The fourth proportional to 2,687.08, 4,011.81 and 2,522.28 is: 3,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.08 : 4,011.81 = 2,522.28 : x
  2. Step 2: Convert to fraction form
    2,687.08/4,011.81 = 2,522.28/x
  3. Step 3: Cross multiply
    2,687.08x = 4,011.81 × 2,522.28
  4. Step 4: Simplify right side
    2,687.08x = 10,118,908.13
  5. Step 5: Solve for x
    x = 10,118,908.13/2,687.08
  6. Step 6: Final answer
    x = 3,765.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.