Home / 2,140.02-3,206.38-1,729.35

Finding the Fourth Proportional to 2,140.02, 3,206.38 and 1,729.35

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Solution

The fourth proportional to 2,140.02, 3,206.38 and 1,729.35 is: 2,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.02 : 3,206.38 = 1,729.35 : x
  2. Step 2: Convert to fraction form
    2,140.02/3,206.38 = 1,729.35/x
  3. Step 3: Cross multiply
    2,140.02x = 3,206.38 × 1,729.35
  4. Step 4: Simplify right side
    2,140.02x = 5,544,928.57
  5. Step 5: Solve for x
    x = 5,544,928.57/2,140.02
  6. Step 6: Final answer
    x = 2,591.07

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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.