Home / 2,920.23-4,375.17-2,094.39

Finding the Fourth Proportional to 2,920.23, 4,375.17 and 2,094.39

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Solution

The fourth proportional to 2,920.23, 4,375.17 and 2,094.39 is: 3,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.23 : 4,375.17 = 2,094.39 : x
  2. Step 2: Convert to fraction form
    2,920.23/4,375.17 = 2,094.39/x
  3. Step 3: Cross multiply
    2,920.23x = 4,375.17 × 2,094.39
  4. Step 4: Simplify right side
    2,920.23x = 9,163,312.30
  5. Step 5: Solve for x
    x = 9,163,312.30/2,920.23
  6. Step 6: Final answer
    x = 3,137.87

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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.