Home / 1,608.08-2,217.60-1,372.16

Finding the Fourth Proportional to 1,608.08, 2,217.60 and 1,372.16

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Solution

The fourth proportional to 1,608.08, 2,217.60 and 1,372.16 is: 1,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.08 : 2,217.60 = 1,372.16 : x
  2. Step 2: Convert to fraction form
    1,608.08/2,217.60 = 1,372.16/x
  3. Step 3: Cross multiply
    1,608.08x = 2,217.60 × 1,372.16
  4. Step 4: Simplify right side
    1,608.08x = 3,042,902.02
  5. Step 5: Solve for x
    x = 3,042,902.02/1,608.08
  6. Step 6: Final answer
    x = 1,892.26

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1.5x scale

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.