Home / 3,268.12-4,510.07-1,870.87

Finding the Fourth Proportional to 3,268.12, 4,510.07 and 1,870.87

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Solution

The fourth proportional to 3,268.12, 4,510.07 and 1,870.87 is: 2,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.12 : 4,510.07 = 1,870.87 : x
  2. Step 2: Convert to fraction form
    3,268.12/4,510.07 = 1,870.87/x
  3. Step 3: Cross multiply
    3,268.12x = 4,510.07 × 1,870.87
  4. Step 4: Simplify right side
    3,268.12x = 8,437,754.66
  5. Step 5: Solve for x
    x = 8,437,754.66/3,268.12
  6. Step 6: Final answer
    x = 2,581.84

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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.