Home / 1,632.70-2,251.79-1,101.40

Finding the Fourth Proportional to 1,632.70, 2,251.79 and 1,101.40

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Solution

The fourth proportional to 1,632.70, 2,251.79 and 1,101.40 is: 1,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.70 : 2,251.79 = 1,101.40 : x
  2. Step 2: Convert to fraction form
    1,632.70/2,251.79 = 1,101.40/x
  3. Step 3: Cross multiply
    1,632.70x = 2,251.79 × 1,101.40
  4. Step 4: Simplify right side
    1,632.70x = 2,480,116.00
  5. Step 5: Solve for x
    x = 2,480,116.00/1,632.70
  6. Step 6: Final answer
    x = 1,519.03

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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.