Home / 3,740.22-5,609.52-1,143.63

Finding the Fourth Proportional to 3,740.22, 5,609.52 and 1,143.63

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Solution

The fourth proportional to 3,740.22, 5,609.52 and 1,143.63 is: 1,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.22 : 5,609.52 = 1,143.63 : x
  2. Step 2: Convert to fraction form
    3,740.22/5,609.52 = 1,143.63/x
  3. Step 3: Cross multiply
    3,740.22x = 5,609.52 × 1,143.63
  4. Step 4: Simplify right side
    3,740.22x = 6,415,215.36
  5. Step 5: Solve for x
    x = 6,415,215.36/3,740.22
  6. Step 6: Final answer
    x = 1,715.20

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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.