Home / 2,428.11-3,639.09-1,550.35

Finding the Fourth Proportional to 2,428.11, 3,639.09 and 1,550.35

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Solution

The fourth proportional to 2,428.11, 3,639.09 and 1,550.35 is: 2,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.11 : 3,639.09 = 1,550.35 : x
  2. Step 2: Convert to fraction form
    2,428.11/3,639.09 = 1,550.35/x
  3. Step 3: Cross multiply
    2,428.11x = 3,639.09 × 1,550.35
  4. Step 4: Simplify right side
    2,428.11x = 5,641,863.18
  5. Step 5: Solve for x
    x = 5,641,863.18/2,428.11
  6. Step 6: Final answer
    x = 2,323.56

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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.