Home / 3,003.20-4,496.70-2,355.20

Finding the Fourth Proportional to 3,003.20, 4,496.70 and 2,355.20

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Solution

The fourth proportional to 3,003.20, 4,496.70 and 2,355.20 is: 3,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.20 : 4,496.70 = 2,355.20 : x
  2. Step 2: Convert to fraction form
    3,003.20/4,496.70 = 2,355.20/x
  3. Step 3: Cross multiply
    3,003.20x = 4,496.70 × 2,355.20
  4. Step 4: Simplify right side
    3,003.20x = 10,590,627.84
  5. Step 5: Solve for x
    x = 10,590,627.84/3,003.20
  6. Step 6: Final answer
    x = 3,526.45

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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.