Home / 3,182.30-4,391.13-1,838.30

Finding the Fourth Proportional to 3,182.30, 4,391.13 and 1,838.30

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Solution

The fourth proportional to 3,182.30, 4,391.13 and 1,838.30 is: 2,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.30 : 4,391.13 = 1,838.30 : x
  2. Step 2: Convert to fraction form
    3,182.30/4,391.13 = 1,838.30/x
  3. Step 3: Cross multiply
    3,182.30x = 4,391.13 × 1,838.30
  4. Step 4: Simplify right side
    3,182.30x = 8,072,214.28
  5. Step 5: Solve for x
    x = 8,072,214.28/3,182.30
  6. Step 6: Final answer
    x = 2,536.60

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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.