Home / 3,445.57-5,167.36-1,253.89

Finding the Fourth Proportional to 3,445.57, 5,167.36 and 1,253.89

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Solution

The fourth proportional to 3,445.57, 5,167.36 and 1,253.89 is: 1,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.57 : 5,167.36 = 1,253.89 : x
  2. Step 2: Convert to fraction form
    3,445.57/5,167.36 = 1,253.89/x
  3. Step 3: Cross multiply
    3,445.57x = 5,167.36 × 1,253.89
  4. Step 4: Simplify right side
    3,445.57x = 6,479,301.03
  5. Step 5: Solve for x
    x = 6,479,301.03/3,445.57
  6. Step 6: Final answer
    x = 1,880.47

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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.