Home / 2,079.42-2,869.84-1,194.90

Finding the Fourth Proportional to 2,079.42, 2,869.84 and 1,194.90

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Solution

The fourth proportional to 2,079.42, 2,869.84 and 1,194.90 is: 1,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.42 : 2,869.84 = 1,194.90 : x
  2. Step 2: Convert to fraction form
    2,079.42/2,869.84 = 1,194.90/x
  3. Step 3: Cross multiply
    2,079.42x = 2,869.84 × 1,194.90
  4. Step 4: Simplify right side
    2,079.42x = 3,429,171.82
  5. Step 5: Solve for x
    x = 3,429,171.82/2,079.42
  6. Step 6: Final answer
    x = 1,649.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.