Home / 2,927.22-4,391.45-1,539.80

Finding the Fourth Proportional to 2,927.22, 4,391.45 and 1,539.80

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Solution

The fourth proportional to 2,927.22, 4,391.45 and 1,539.80 is: 2,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.22 : 4,391.45 = 1,539.80 : x
  2. Step 2: Convert to fraction form
    2,927.22/4,391.45 = 1,539.80/x
  3. Step 3: Cross multiply
    2,927.22x = 4,391.45 × 1,539.80
  4. Step 4: Simplify right side
    2,927.22x = 6,761,925.05
  5. Step 5: Solve for x
    x = 6,761,925.05/2,927.22
  6. Step 6: Final answer
    x = 2,310.02

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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.