Home / 1,682.42-2,515.61-1,535.37

Finding the Fourth Proportional to 1,682.42, 2,515.61 and 1,535.37

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Solution

The fourth proportional to 1,682.42, 2,515.61 and 1,535.37 is: 2,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.42 : 2,515.61 = 1,535.37 : x
  2. Step 2: Convert to fraction form
    1,682.42/2,515.61 = 1,535.37/x
  3. Step 3: Cross multiply
    1,682.42x = 2,515.61 × 1,535.37
  4. Step 4: Simplify right side
    1,682.42x = 3,862,399.11
  5. Step 5: Solve for x
    x = 3,862,399.11/1,682.42
  6. Step 6: Final answer
    x = 2,295.74

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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.