Home / 2,403.29-3,316.42-1,340.87

Finding the Fourth Proportional to 2,403.29, 3,316.42 and 1,340.87

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Solution

The fourth proportional to 2,403.29, 3,316.42 and 1,340.87 is: 1,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.29 : 3,316.42 = 1,340.87 : x
  2. Step 2: Convert to fraction form
    2,403.29/3,316.42 = 1,340.87/x
  3. Step 3: Cross multiply
    2,403.29x = 3,316.42 × 1,340.87
  4. Step 4: Simplify right side
    2,403.29x = 4,446,868.15
  5. Step 5: Solve for x
    x = 4,446,868.15/2,403.29
  6. Step 6: Final answer
    x = 1,850.33

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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.