Home / 2,971.20-4,458.33-1,328.84

Finding the Fourth Proportional to 2,971.20, 4,458.33 and 1,328.84

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Solution

The fourth proportional to 2,971.20, 4,458.33 and 1,328.84 is: 1,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.20 : 4,458.33 = 1,328.84 : x
  2. Step 2: Convert to fraction form
    2,971.20/4,458.33 = 1,328.84/x
  3. Step 3: Cross multiply
    2,971.20x = 4,458.33 × 1,328.84
  4. Step 4: Simplify right side
    2,971.20x = 5,924,384.95
  5. Step 5: Solve for x
    x = 5,924,384.95/2,971.20
  6. Step 6: Final answer
    x = 1,993.94

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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.