Home / 3,900.43-5,851.01-1,435.30

Finding the Fourth Proportional to 3,900.43, 5,851.01 and 1,435.30

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Solution

The fourth proportional to 3,900.43, 5,851.01 and 1,435.30 is: 2,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.43 : 5,851.01 = 1,435.30 : x
  2. Step 2: Convert to fraction form
    3,900.43/5,851.01 = 1,435.30/x
  3. Step 3: Cross multiply
    3,900.43x = 5,851.01 × 1,435.30
  4. Step 4: Simplify right side
    3,900.43x = 8,397,943.61
  5. Step 5: Solve for x
    x = 8,397,943.61/3,900.43
  6. Step 6: Final answer
    x = 2,153.08

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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.