Home / 3,026.57-4,178.99-2,439.72

Finding the Fourth Proportional to 3,026.57, 4,178.99 and 2,439.72

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Solution

The fourth proportional to 3,026.57, 4,178.99 and 2,439.72 is: 3,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.57 : 4,178.99 = 2,439.72 : x
  2. Step 2: Convert to fraction form
    3,026.57/4,178.99 = 2,439.72/x
  3. Step 3: Cross multiply
    3,026.57x = 4,178.99 × 2,439.72
  4. Step 4: Simplify right side
    3,026.57x = 10,195,571.58
  5. Step 5: Solve for x
    x = 10,195,571.58/3,026.57
  6. Step 6: Final answer
    x = 3,368.69

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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.