Home / 2,164.73-3,249.01-1,125.45

Finding the Fourth Proportional to 2,164.73, 3,249.01 and 1,125.45

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Solution

The fourth proportional to 2,164.73, 3,249.01 and 1,125.45 is: 1,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.73 : 3,249.01 = 1,125.45 : x
  2. Step 2: Convert to fraction form
    2,164.73/3,249.01 = 1,125.45/x
  3. Step 3: Cross multiply
    2,164.73x = 3,249.01 × 1,125.45
  4. Step 4: Simplify right side
    2,164.73x = 3,656,598.30
  5. Step 5: Solve for x
    x = 3,656,598.30/2,164.73
  6. Step 6: Final answer
    x = 1,689.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.