Home / 2,480.36-3,719.73-1,309.71

Finding the Fourth Proportional to 2,480.36, 3,719.73 and 1,309.71

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Solution

The fourth proportional to 2,480.36, 3,719.73 and 1,309.71 is: 1,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.36 : 3,719.73 = 1,309.71 : x
  2. Step 2: Convert to fraction form
    2,480.36/3,719.73 = 1,309.71/x
  3. Step 3: Cross multiply
    2,480.36x = 3,719.73 × 1,309.71
  4. Step 4: Simplify right side
    2,480.36x = 4,871,767.58
  5. Step 5: Solve for x
    x = 4,871,767.58/2,480.36
  6. Step 6: Final answer
    x = 1,964.14

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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.