Home / 3,227.34-4,842.63-1,280.91

Finding the Fourth Proportional to 3,227.34, 4,842.63 and 1,280.91

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Solution

The fourth proportional to 3,227.34, 4,842.63 and 1,280.91 is: 1,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.34 : 4,842.63 = 1,280.91 : x
  2. Step 2: Convert to fraction form
    3,227.34/4,842.63 = 1,280.91/x
  3. Step 3: Cross multiply
    3,227.34x = 4,842.63 × 1,280.91
  4. Step 4: Simplify right side
    3,227.34x = 6,202,973.19
  5. Step 5: Solve for x
    x = 6,202,973.19/3,227.34
  6. Step 6: Final answer
    x = 1,922.01

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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.