Home / 2,719.13-3,748.95-2,319.98

Finding the Fourth Proportional to 2,719.13, 3,748.95 and 2,319.98

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Solution

The fourth proportional to 2,719.13, 3,748.95 and 2,319.98 is: 3,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.13 : 3,748.95 = 2,319.98 : x
  2. Step 2: Convert to fraction form
    2,719.13/3,748.95 = 2,319.98/x
  3. Step 3: Cross multiply
    2,719.13x = 3,748.95 × 2,319.98
  4. Step 4: Simplify right side
    2,719.13x = 8,697,470.28
  5. Step 5: Solve for x
    x = 8,697,470.28/2,719.13
  6. Step 6: Final answer
    x = 3,198.63

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