Home / 3,008.72-4,152.48-2,172.24

Finding the Fourth Proportional to 3,008.72, 4,152.48 and 2,172.24

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Solution

The fourth proportional to 3,008.72, 4,152.48 and 2,172.24 is: 2,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.72 : 4,152.48 = 2,172.24 : x
  2. Step 2: Convert to fraction form
    3,008.72/4,152.48 = 2,172.24/x
  3. Step 3: Cross multiply
    3,008.72x = 4,152.48 × 2,172.24
  4. Step 4: Simplify right side
    3,008.72x = 9,020,183.16
  5. Step 5: Solve for x
    x = 9,020,183.16/3,008.72
  6. Step 6: Final answer
    x = 2,998.01

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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.