Home / 2,455.96-3,681.71-1,223.75

Finding the Fourth Proportional to 2,455.96, 3,681.71 and 1,223.75

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Solution

The fourth proportional to 2,455.96, 3,681.71 and 1,223.75 is: 1,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.96 : 3,681.71 = 1,223.75 : x
  2. Step 2: Convert to fraction form
    2,455.96/3,681.71 = 1,223.75/x
  3. Step 3: Cross multiply
    2,455.96x = 3,681.71 × 1,223.75
  4. Step 4: Simplify right side
    2,455.96x = 4,505,468.09
  5. Step 5: Solve for x
    x = 4,505,468.09/2,455.96
  6. Step 6: Final answer
    x = 1,834.51

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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.