Home / 2,980.76-4,466.98-2,539.71

Finding the Fourth Proportional to 2,980.76, 4,466.98 and 2,539.71

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Solution

The fourth proportional to 2,980.76, 4,466.98 and 2,539.71 is: 3,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.76 : 4,466.98 = 2,539.71 : x
  2. Step 2: Convert to fraction form
    2,980.76/4,466.98 = 2,539.71/x
  3. Step 3: Cross multiply
    2,980.76x = 4,466.98 × 2,539.71
  4. Step 4: Simplify right side
    2,980.76x = 11,344,827.43
  5. Step 5: Solve for x
    x = 11,344,827.43/2,980.76
  6. Step 6: Final answer
    x = 3,806.02

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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.