Home / 3,356.45-4,626.51-2,279.39

Finding the Fourth Proportional to 3,356.45, 4,626.51 and 2,279.39

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Solution

The fourth proportional to 3,356.45, 4,626.51 and 2,279.39 is: 3,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.45 : 4,626.51 = 2,279.39 : x
  2. Step 2: Convert to fraction form
    3,356.45/4,626.51 = 2,279.39/x
  3. Step 3: Cross multiply
    3,356.45x = 4,626.51 × 2,279.39
  4. Step 4: Simplify right side
    3,356.45x = 10,545,597.50
  5. Step 5: Solve for x
    x = 10,545,597.50/3,356.45
  6. Step 6: Final answer
    x = 3,141.89

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Double scale
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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.