Home / 2,173.89-3,260.83-1,079.02

Finding the Fourth Proportional to 2,173.89, 3,260.83 and 1,079.02

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Solution

The fourth proportional to 2,173.89, 3,260.83 and 1,079.02 is: 1,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.89 : 3,260.83 = 1,079.02 : x
  2. Step 2: Convert to fraction form
    2,173.89/3,260.83 = 1,079.02/x
  3. Step 3: Cross multiply
    2,173.89x = 3,260.83 × 1,079.02
  4. Step 4: Simplify right side
    2,173.89x = 3,518,507.22
  5. Step 5: Solve for x
    x = 3,518,507.22/2,173.89
  6. Step 6: Final answer
    x = 1,618.53

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1.5x scale

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.