Home / 2,079.49-3,102.87-2,009.02

Finding the Fourth Proportional to 2,079.49, 3,102.87 and 2,009.02

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Solution

The fourth proportional to 2,079.49, 3,102.87 and 2,009.02 is: 2,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.49 : 3,102.87 = 2,009.02 : x
  2. Step 2: Convert to fraction form
    2,079.49/3,102.87 = 2,009.02/x
  3. Step 3: Cross multiply
    2,079.49x = 3,102.87 × 2,009.02
  4. Step 4: Simplify right side
    2,079.49x = 6,233,715.11
  5. Step 5: Solve for x
    x = 6,233,715.11/2,079.49
  6. Step 6: Final answer
    x = 2,997.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.