Home / 3,571.39-5,360.58-1,931.45

Finding the Fourth Proportional to 3,571.39, 5,360.58 and 1,931.45

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Solution

The fourth proportional to 3,571.39, 5,360.58 and 1,931.45 is: 2,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.39 : 5,360.58 = 1,931.45 : x
  2. Step 2: Convert to fraction form
    3,571.39/5,360.58 = 1,931.45/x
  3. Step 3: Cross multiply
    3,571.39x = 5,360.58 × 1,931.45
  4. Step 4: Simplify right side
    3,571.39x = 10,353,665.44
  5. Step 5: Solve for x
    x = 10,353,665.44/3,571.39
  6. Step 6: Final answer
    x = 2,899.06

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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.