Home / 1,480.16-2,208.11-1,439.93

Finding the Fourth Proportional to 1,480.16, 2,208.11 and 1,439.93

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Solution

The fourth proportional to 1,480.16, 2,208.11 and 1,439.93 is: 2,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.16 : 2,208.11 = 1,439.93 : x
  2. Step 2: Convert to fraction form
    1,480.16/2,208.11 = 1,439.93/x
  3. Step 3: Cross multiply
    1,480.16x = 2,208.11 × 1,439.93
  4. Step 4: Simplify right side
    1,480.16x = 3,179,505.59
  5. Step 5: Solve for x
    x = 3,179,505.59/1,480.16
  6. Step 6: Final answer
    x = 2,148.09

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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.