Home / 2,153.01-3,226.94-1,113.48

Finding the Fourth Proportional to 2,153.01, 3,226.94 and 1,113.48

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Solution

The fourth proportional to 2,153.01, 3,226.94 and 1,113.48 is: 1,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.01 : 3,226.94 = 1,113.48 : x
  2. Step 2: Convert to fraction form
    2,153.01/3,226.94 = 1,113.48/x
  3. Step 3: Cross multiply
    2,153.01x = 3,226.94 × 1,113.48
  4. Step 4: Simplify right side
    2,153.01x = 3,593,131.76
  5. Step 5: Solve for x
    x = 3,593,131.76/2,153.01
  6. Step 6: Final answer
    x = 1,668.88

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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.