Home / 3,900.65-5,854.62-2,435.36

Finding the Fourth Proportional to 3,900.65, 5,854.62 and 2,435.36

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Solution

The fourth proportional to 3,900.65, 5,854.62 and 2,435.36 is: 3,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.65 : 5,854.62 = 2,435.36 : x
  2. Step 2: Convert to fraction form
    3,900.65/5,854.62 = 2,435.36/x
  3. Step 3: Cross multiply
    3,900.65x = 5,854.62 × 2,435.36
  4. Step 4: Simplify right side
    3,900.65x = 14,258,107.36
  5. Step 5: Solve for x
    x = 14,258,107.36/3,900.65
  6. Step 6: Final answer
    x = 3,655.32

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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.