Home / 2,914.87-4,023.90-1,719.49

Finding the Fourth Proportional to 2,914.87, 4,023.90 and 1,719.49

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Solution

The fourth proportional to 2,914.87, 4,023.90 and 1,719.49 is: 2,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.87 : 4,023.90 = 1,719.49 : x
  2. Step 2: Convert to fraction form
    2,914.87/4,023.90 = 1,719.49/x
  3. Step 3: Cross multiply
    2,914.87x = 4,023.90 × 1,719.49
  4. Step 4: Simplify right side
    2,914.87x = 6,919,055.81
  5. Step 5: Solve for x
    x = 6,919,055.81/2,914.87
  6. Step 6: Final answer
    x = 2,373.71

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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.