Home / 2,288.64-3,149.60-2,190.22

Finding the Fourth Proportional to 2,288.64, 3,149.60 and 2,190.22

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Solution

The fourth proportional to 2,288.64, 3,149.60 and 2,190.22 is: 3,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.64 : 3,149.60 = 2,190.22 : x
  2. Step 2: Convert to fraction form
    2,288.64/3,149.60 = 2,190.22/x
  3. Step 3: Cross multiply
    2,288.64x = 3,149.60 × 2,190.22
  4. Step 4: Simplify right side
    2,288.64x = 6,898,316.91
  5. Step 5: Solve for x
    x = 6,898,316.91/2,288.64
  6. Step 6: Final answer
    x = 3,014.16

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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.