Home / 3,107.01-4,657.28-2,321.49

Finding the Fourth Proportional to 3,107.01, 4,657.28 and 2,321.49

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Solution

The fourth proportional to 3,107.01, 4,657.28 and 2,321.49 is: 3,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.01 : 4,657.28 = 2,321.49 : x
  2. Step 2: Convert to fraction form
    3,107.01/4,657.28 = 2,321.49/x
  3. Step 3: Cross multiply
    3,107.01x = 4,657.28 × 2,321.49
  4. Step 4: Simplify right side
    3,107.01x = 10,811,817.34
  5. Step 5: Solve for x
    x = 10,811,817.34/3,107.01
  6. Step 6: Final answer
    x = 3,479.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.