Home / 3,851.64-5,737.70-3,612.60

Finding the Fourth Proportional to 3,851.64, 5,737.70 and 3,612.60

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Solution

The fourth proportional to 3,851.64, 5,737.70 and 3,612.60 is: 5,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.64 : 5,737.70 = 3,612.60 : x
  2. Step 2: Convert to fraction form
    3,851.64/5,737.70 = 3,612.60/x
  3. Step 3: Cross multiply
    3,851.64x = 5,737.70 × 3,612.60
  4. Step 4: Simplify right side
    3,851.64x = 20,728,015.02
  5. Step 5: Solve for x
    x = 20,728,015.02/3,851.64
  6. Step 6: Final answer
    x = 5,381.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.