Home / 2,345.09-3,236.11-1,350.38

Finding the Fourth Proportional to 2,345.09, 3,236.11 and 1,350.38

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Solution

The fourth proportional to 2,345.09, 3,236.11 and 1,350.38 is: 1,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.09 : 3,236.11 = 1,350.38 : x
  2. Step 2: Convert to fraction form
    2,345.09/3,236.11 = 1,350.38/x
  3. Step 3: Cross multiply
    2,345.09x = 3,236.11 × 1,350.38
  4. Step 4: Simplify right side
    2,345.09x = 4,369,982.94
  5. Step 5: Solve for x
    x = 4,369,982.94/2,345.09
  6. Step 6: Final answer
    x = 1,863.46

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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.