Home / 3,319.76-4,579.53-2,690.99

Finding the Fourth Proportional to 3,319.76, 4,579.53 and 2,690.99

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Solution

The fourth proportional to 3,319.76, 4,579.53 and 2,690.99 is: 3,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.76 : 4,579.53 = 2,690.99 : x
  2. Step 2: Convert to fraction form
    3,319.76/4,579.53 = 2,690.99/x
  3. Step 3: Cross multiply
    3,319.76x = 4,579.53 × 2,690.99
  4. Step 4: Simplify right side
    3,319.76x = 12,323,446.54
  5. Step 5: Solve for x
    x = 12,323,446.54/3,319.76
  6. Step 6: Final answer
    x = 3,712.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.