Home / 3,384.48-4,668.51-3,146.95

Finding the Fourth Proportional to 3,384.48, 4,668.51 and 3,146.95

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Solution

The fourth proportional to 3,384.48, 4,668.51 and 3,146.95 is: 4,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.48 : 4,668.51 = 3,146.95 : x
  2. Step 2: Convert to fraction form
    3,384.48/4,668.51 = 3,146.95/x
  3. Step 3: Cross multiply
    3,384.48x = 4,668.51 × 3,146.95
  4. Step 4: Simplify right side
    3,384.48x = 14,691,567.54
  5. Step 5: Solve for x
    x = 14,691,567.54/3,384.48
  6. Step 6: Final answer
    x = 4,340.86

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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.