Home / 2,585.08-3,560.82-2,186.20

Finding the Fourth Proportional to 2,585.08, 3,560.82 and 2,186.20

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Solution

The fourth proportional to 2,585.08, 3,560.82 and 2,186.20 is: 3,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.08 : 3,560.82 = 2,186.20 : x
  2. Step 2: Convert to fraction form
    2,585.08/3,560.82 = 2,186.20/x
  3. Step 3: Cross multiply
    2,585.08x = 3,560.82 × 2,186.20
  4. Step 4: Simplify right side
    2,585.08x = 7,784,664.68
  5. Step 5: Solve for x
    x = 7,784,664.68/2,585.08
  6. Step 6: Final answer
    x = 3,011.38

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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.