Home / 2,139.27-3,209.93-1,482.16

Finding the Fourth Proportional to 2,139.27, 3,209.93 and 1,482.16

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Solution

The fourth proportional to 2,139.27, 3,209.93 and 1,482.16 is: 2,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.27 : 3,209.93 = 1,482.16 : x
  2. Step 2: Convert to fraction form
    2,139.27/3,209.93 = 1,482.16/x
  3. Step 3: Cross multiply
    2,139.27x = 3,209.93 × 1,482.16
  4. Step 4: Simplify right side
    2,139.27x = 4,757,614.41
  5. Step 5: Solve for x
    x = 4,757,614.41/2,139.27
  6. Step 6: Final answer
    x = 2,223.94

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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.