Home / 3,900.58-5,851.68-1,435.30

Finding the Fourth Proportional to 3,900.58, 5,851.68 and 1,435.30

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Solution

The fourth proportional to 3,900.58, 5,851.68 and 1,435.30 is: 2,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.58 : 5,851.68 = 1,435.30 : x
  2. Step 2: Convert to fraction form
    3,900.58/5,851.68 = 1,435.30/x
  3. Step 3: Cross multiply
    3,900.58x = 5,851.68 × 1,435.30
  4. Step 4: Simplify right side
    3,900.58x = 8,398,916.30
  5. Step 5: Solve for x
    x = 8,398,916.30/3,900.58
  6. Step 6: Final answer
    x = 2,153.25

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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.