Home / 2,114.17-3,172.65-944.80

Finding the Fourth Proportional to 2,114.17, 3,172.65 and 944.80

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Solution

The fourth proportional to 2,114.17, 3,172.65 and 944.80 is: 1,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.17 : 3,172.65 = 944.80 : x
  2. Step 2: Convert to fraction form
    2,114.17/3,172.65 = 944.80/x
  3. Step 3: Cross multiply
    2,114.17x = 3,172.65 × 944.80
  4. Step 4: Simplify right side
    2,114.17x = 2,997,519.72
  5. Step 5: Solve for x
    x = 2,997,519.72/2,114.17
  6. Step 6: Final answer
    x = 1,417.82

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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.