Home / 2,890.18-4,335.81-942.94

Finding the Fourth Proportional to 2,890.18, 4,335.81 and 942.94

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Solution

The fourth proportional to 2,890.18, 4,335.81 and 942.94 is: 1,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.18 : 4,335.81 = 942.94 : x
  2. Step 2: Convert to fraction form
    2,890.18/4,335.81 = 942.94/x
  3. Step 3: Cross multiply
    2,890.18x = 4,335.81 × 942.94
  4. Step 4: Simplify right side
    2,890.18x = 4,088,408.68
  5. Step 5: Solve for x
    x = 4,088,408.68/2,890.18
  6. Step 6: Final answer
    x = 1,414.59

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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.