Home / 2,330.08-3,215.44-1,282.12

Finding the Fourth Proportional to 2,330.08, 3,215.44 and 1,282.12

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Solution

The fourth proportional to 2,330.08, 3,215.44 and 1,282.12 is: 1,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.08 : 3,215.44 = 1,282.12 : x
  2. Step 2: Convert to fraction form
    2,330.08/3,215.44 = 1,282.12/x
  3. Step 3: Cross multiply
    2,330.08x = 3,215.44 × 1,282.12
  4. Step 4: Simplify right side
    2,330.08x = 4,122,579.93
  5. Step 5: Solve for x
    x = 4,122,579.93/2,330.08
  6. Step 6: Final answer
    x = 1,769.29

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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.