Home / 2,114.78-3,172.19-944.84

Finding the Fourth Proportional to 2,114.78, 3,172.19 and 944.84

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Solution

The fourth proportional to 2,114.78, 3,172.19 and 944.84 is: 1,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.78 : 3,172.19 = 944.84 : x
  2. Step 2: Convert to fraction form
    2,114.78/3,172.19 = 944.84/x
  3. Step 3: Cross multiply
    2,114.78x = 3,172.19 × 944.84
  4. Step 4: Simplify right side
    2,114.78x = 2,997,207.28
  5. Step 5: Solve for x
    x = 2,997,207.28/2,114.78
  6. Step 6: Final answer
    x = 1,417.27

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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.