Home / 2,428.27-3,641.11-947.99

Finding the Fourth Proportional to 2,428.27, 3,641.11 and 947.99

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Solution

The fourth proportional to 2,428.27, 3,641.11 and 947.99 is: 1,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.27 : 3,641.11 = 947.99 : x
  2. Step 2: Convert to fraction form
    2,428.27/3,641.11 = 947.99/x
  3. Step 3: Cross multiply
    2,428.27x = 3,641.11 × 947.99
  4. Step 4: Simplify right side
    2,428.27x = 3,451,742.60
  5. Step 5: Solve for x
    x = 3,451,742.60/2,428.27
  6. Step 6: Final answer
    x = 1,421.48

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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.