Home / 3,074.04-4,240.08-2,078.82

Finding the Fourth Proportional to 3,074.04, 4,240.08 and 2,078.82

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Solution

The fourth proportional to 3,074.04, 4,240.08 and 2,078.82 is: 2,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.04 : 4,240.08 = 2,078.82 : x
  2. Step 2: Convert to fraction form
    3,074.04/4,240.08 = 2,078.82/x
  3. Step 3: Cross multiply
    3,074.04x = 4,240.08 × 2,078.82
  4. Step 4: Simplify right side
    3,074.04x = 8,814,363.11
  5. Step 5: Solve for x
    x = 8,814,363.11/3,074.04
  6. Step 6: Final answer
    x = 2,867.35

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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.