Home / 2,902.70-4,355.85-2,242.01

Finding the Fourth Proportional to 2,902.70, 4,355.85 and 2,242.01

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Solution

The fourth proportional to 2,902.70, 4,355.85 and 2,242.01 is: 3,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.70 : 4,355.85 = 2,242.01 : x
  2. Step 2: Convert to fraction form
    2,902.70/4,355.85 = 2,242.01/x
  3. Step 3: Cross multiply
    2,902.70x = 4,355.85 × 2,242.01
  4. Step 4: Simplify right side
    2,902.70x = 9,765,859.26
  5. Step 5: Solve for x
    x = 9,765,859.26/2,902.70
  6. Step 6: Final answer
    x = 3,364.41

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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.