Home / 2,340.81-3,511.17-1,355.09

Finding the Fourth Proportional to 2,340.81, 3,511.17 and 1,355.09

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Solution

The fourth proportional to 2,340.81, 3,511.17 and 1,355.09 is: 2,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.81 : 3,511.17 = 1,355.09 : x
  2. Step 2: Convert to fraction form
    2,340.81/3,511.17 = 1,355.09/x
  3. Step 3: Cross multiply
    2,340.81x = 3,511.17 × 1,355.09
  4. Step 4: Simplify right side
    2,340.81x = 4,757,933.80
  5. Step 5: Solve for x
    x = 4,757,933.80/2,340.81
  6. Step 6: Final answer
    x = 2,032.60

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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.