Home / 3,740.64-5,610.96-1,143.58

Finding the Fourth Proportional to 3,740.64, 5,610.96 and 1,143.58

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Solution

The fourth proportional to 3,740.64, 5,610.96 and 1,143.58 is: 1,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.64 : 5,610.96 = 1,143.58 : x
  2. Step 2: Convert to fraction form
    3,740.64/5,610.96 = 1,143.58/x
  3. Step 3: Cross multiply
    3,740.64x = 5,610.96 × 1,143.58
  4. Step 4: Simplify right side
    3,740.64x = 6,416,581.64
  5. Step 5: Solve for x
    x = 6,416,581.64/3,740.64
  6. Step 6: Final answer
    x = 1,715.37

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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.