Home / 3,142.85-4,336.39-1,883.71

Finding the Fourth Proportional to 3,142.85, 4,336.39 and 1,883.71

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Solution

The fourth proportional to 3,142.85, 4,336.39 and 1,883.71 is: 2,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.85 : 4,336.39 = 1,883.71 : x
  2. Step 2: Convert to fraction form
    3,142.85/4,336.39 = 1,883.71/x
  3. Step 3: Cross multiply
    3,142.85x = 4,336.39 × 1,883.71
  4. Step 4: Simplify right side
    3,142.85x = 8,168,473.99
  5. Step 5: Solve for x
    x = 8,168,473.99/3,142.85
  6. Step 6: Final answer
    x = 2,599.07

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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.