Home / 3,606.48-4,977.18-2,279.70

Finding the Fourth Proportional to 3,606.48, 4,977.18 and 2,279.70

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Solution

The fourth proportional to 3,606.48, 4,977.18 and 2,279.70 is: 3,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.48 : 4,977.18 = 2,279.70 : x
  2. Step 2: Convert to fraction form
    3,606.48/4,977.18 = 2,279.70/x
  3. Step 3: Cross multiply
    3,606.48x = 4,977.18 × 2,279.70
  4. Step 4: Simplify right side
    3,606.48x = 11,346,477.25
  5. Step 5: Solve for x
    x = 11,346,477.25/3,606.48
  6. Step 6: Final answer
    x = 3,146.14

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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.