Home / 3,435.64-5,155.98-1,244.53

Finding the Fourth Proportional to 3,435.64, 5,155.98 and 1,244.53

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Solution

The fourth proportional to 3,435.64, 5,155.98 and 1,244.53 is: 1,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.64 : 5,155.98 = 1,244.53 : x
  2. Step 2: Convert to fraction form
    3,435.64/5,155.98 = 1,244.53/x
  3. Step 3: Cross multiply
    3,435.64x = 5,155.98 × 1,244.53
  4. Step 4: Simplify right side
    3,435.64x = 6,416,771.79
  5. Step 5: Solve for x
    x = 6,416,771.79/3,435.64
  6. Step 6: Final answer
    x = 1,867.71

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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.