Home / 3,522.40-5,307.83-2,919.67

Finding the Fourth Proportional to 3,522.40, 5,307.83 and 2,919.67

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Solution

The fourth proportional to 3,522.40, 5,307.83 and 2,919.67 is: 4,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.40 : 5,307.83 = 2,919.67 : x
  2. Step 2: Convert to fraction form
    3,522.40/5,307.83 = 2,919.67/x
  3. Step 3: Cross multiply
    3,522.40x = 5,307.83 × 2,919.67
  4. Step 4: Simplify right side
    3,522.40x = 15,497,112.02
  5. Step 5: Solve for x
    x = 15,497,112.02/3,522.40
  6. Step 6: Final answer
    x = 4,399.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.