Home / 2,465.11-3,404.60-1,912.26

Finding the Fourth Proportional to 2,465.11, 3,404.60 and 1,912.26

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Solution

The fourth proportional to 2,465.11, 3,404.60 and 1,912.26 is: 2,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.11 : 3,404.60 = 1,912.26 : x
  2. Step 2: Convert to fraction form
    2,465.11/3,404.60 = 1,912.26/x
  3. Step 3: Cross multiply
    2,465.11x = 3,404.60 × 1,912.26
  4. Step 4: Simplify right side
    2,465.11x = 6,510,480.40
  5. Step 5: Solve for x
    x = 6,510,480.40/2,465.11
  6. Step 6: Final answer
    x = 2,641.05

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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.