Home / 3,073.83-4,240.41-2,079.45

Finding the Fourth Proportional to 3,073.83, 4,240.41 and 2,079.45

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Solution

The fourth proportional to 3,073.83, 4,240.41 and 2,079.45 is: 2,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.83 : 4,240.41 = 2,079.45 : x
  2. Step 2: Convert to fraction form
    3,073.83/4,240.41 = 2,079.45/x
  3. Step 3: Cross multiply
    3,073.83x = 4,240.41 × 2,079.45
  4. Step 4: Simplify right side
    3,073.83x = 8,817,720.57
  5. Step 5: Solve for x
    x = 8,817,720.57/3,073.83
  6. Step 6: Final answer
    x = 2,868.64

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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.