Home / 1,480.68-2,207.91-1,380.15

Finding the Fourth Proportional to 1,480.68, 2,207.91 and 1,380.15

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Solution

The fourth proportional to 1,480.68, 2,207.91 and 1,380.15 is: 2,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.68 : 2,207.91 = 1,380.15 : x
  2. Step 2: Convert to fraction form
    1,480.68/2,207.91 = 1,380.15/x
  3. Step 3: Cross multiply
    1,480.68x = 2,207.91 × 1,380.15
  4. Step 4: Simplify right side
    1,480.68x = 3,047,246.99
  5. Step 5: Solve for x
    x = 3,047,246.99/1,480.68
  6. Step 6: Final answer
    x = 2,058.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.