Home / 2,203.81-3,306.23-1,280.14

Finding the Fourth Proportional to 2,203.81, 3,306.23 and 1,280.14

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Solution

The fourth proportional to 2,203.81, 3,306.23 and 1,280.14 is: 1,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.81 : 3,306.23 = 1,280.14 : x
  2. Step 2: Convert to fraction form
    2,203.81/3,306.23 = 1,280.14/x
  3. Step 3: Cross multiply
    2,203.81x = 3,306.23 × 1,280.14
  4. Step 4: Simplify right side
    2,203.81x = 4,232,437.27
  5. Step 5: Solve for x
    x = 4,232,437.27/2,203.81
  6. Step 6: Final answer
    x = 1,920.51

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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.