Home / 3,743.40-5,615.04-1,146.36

Finding the Fourth Proportional to 3,743.40, 5,615.04 and 1,146.36

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Solution

The fourth proportional to 3,743.40, 5,615.04 and 1,146.36 is: 1,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.40 : 5,615.04 = 1,146.36 : x
  2. Step 2: Convert to fraction form
    3,743.40/5,615.04 = 1,146.36/x
  3. Step 3: Cross multiply
    3,743.40x = 5,615.04 × 1,146.36
  4. Step 4: Simplify right side
    3,743.40x = 6,436,857.25
  5. Step 5: Solve for x
    x = 6,436,857.25/3,743.40
  6. Step 6: Final answer
    x = 1,719.52

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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.