Home / 3,268.08-4,509.84-1,870.56

Finding the Fourth Proportional to 3,268.08, 4,509.84 and 1,870.56

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Solution

The fourth proportional to 3,268.08, 4,509.84 and 1,870.56 is: 2,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.08 : 4,509.84 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    3,268.08/4,509.84 = 1,870.56/x
  3. Step 3: Cross multiply
    3,268.08x = 4,509.84 × 1,870.56
  4. Step 4: Simplify right side
    3,268.08x = 8,435,926.31
  5. Step 5: Solve for x
    x = 8,435,926.31/3,268.08
  6. Step 6: Final answer
    x = 2,581.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.