Home / 2,133.27-3,199.91-1,036.70

Finding the Fourth Proportional to 2,133.27, 3,199.91 and 1,036.70

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Solution

The fourth proportional to 2,133.27, 3,199.91 and 1,036.70 is: 1,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.27 : 3,199.91 = 1,036.70 : x
  2. Step 2: Convert to fraction form
    2,133.27/3,199.91 = 1,036.70/x
  3. Step 3: Cross multiply
    2,133.27x = 3,199.91 × 1,036.70
  4. Step 4: Simplify right side
    2,133.27x = 3,317,325.51
  5. Step 5: Solve for x
    x = 3,317,325.51/2,133.27
  6. Step 6: Final answer
    x = 1,555.04

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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.