Home / 1,480.08-2,217.92-1,318.08

Finding the Fourth Proportional to 1,480.08, 2,217.92 and 1,318.08

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Solution

The fourth proportional to 1,480.08, 2,217.92 and 1,318.08 is: 1,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.08 : 2,217.92 = 1,318.08 : x
  2. Step 2: Convert to fraction form
    1,480.08/2,217.92 = 1,318.08/x
  3. Step 3: Cross multiply
    1,480.08x = 2,217.92 × 1,318.08
  4. Step 4: Simplify right side
    1,480.08x = 2,923,395.99
  5. Step 5: Solve for x
    x = 2,923,395.99/1,480.08
  6. Step 6: Final answer
    x = 1,975.16

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1.5x scale

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.