Home / 3,957.44-5,931.56-2,105.24

Finding the Fourth Proportional to 3,957.44, 5,931.56 and 2,105.24

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Solution

The fourth proportional to 3,957.44, 5,931.56 and 2,105.24 is: 3,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.44 : 5,931.56 = 2,105.24 : x
  2. Step 2: Convert to fraction form
    3,957.44/5,931.56 = 2,105.24/x
  3. Step 3: Cross multiply
    3,957.44x = 5,931.56 × 2,105.24
  4. Step 4: Simplify right side
    3,957.44x = 12,487,317.19
  5. Step 5: Solve for x
    x = 12,487,317.19/3,957.44
  6. Step 6: Final answer
    x = 3,155.41

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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.