Home / 2,455.43-3,681.75-2,163.59

Finding the Fourth Proportional to 2,455.43, 3,681.75 and 2,163.59

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Solution

The fourth proportional to 2,455.43, 3,681.75 and 2,163.59 is: 3,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.43 : 3,681.75 = 2,163.59 : x
  2. Step 2: Convert to fraction form
    2,455.43/3,681.75 = 2,163.59/x
  3. Step 3: Cross multiply
    2,455.43x = 3,681.75 × 2,163.59
  4. Step 4: Simplify right side
    2,455.43x = 7,965,779.07
  5. Step 5: Solve for x
    x = 7,965,779.07/2,455.43
  6. Step 6: Final answer
    x = 3,244.15

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1.5x scale

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.