Home / 2,139.02-3,206.99-1,443.97

Finding the Fourth Proportional to 2,139.02, 3,206.99 and 1,443.97

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Solution

The fourth proportional to 2,139.02, 3,206.99 and 1,443.97 is: 2,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.02 : 3,206.99 = 1,443.97 : x
  2. Step 2: Convert to fraction form
    2,139.02/3,206.99 = 1,443.97/x
  3. Step 3: Cross multiply
    2,139.02x = 3,206.99 × 1,443.97
  4. Step 4: Simplify right side
    2,139.02x = 4,630,797.35
  5. Step 5: Solve for x
    x = 4,630,797.35/2,139.02
  6. Step 6: Final answer
    x = 2,164.92

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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.