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Finding the Fourth Proportional to 3,606.56, 4,975.04 and 2,279.76

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Solution

The fourth proportional to 3,606.56, 4,975.04 and 2,279.76 is: 3,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.56 : 4,975.04 = 2,279.76 : x
  2. Step 2: Convert to fraction form
    3,606.56/4,975.04 = 2,279.76/x
  3. Step 3: Cross multiply
    3,606.56x = 4,975.04 × 2,279.76
  4. Step 4: Simplify right side
    3,606.56x = 11,341,897.19
  5. Step 5: Solve for x
    x = 11,341,897.19/3,606.56
  6. Step 6: Final answer
    x = 3,144.80

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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.