Home / 3,186.83-4,783.28-1,337.45

Finding the Fourth Proportional to 3,186.83, 4,783.28 and 1,337.45

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Solution

The fourth proportional to 3,186.83, 4,783.28 and 1,337.45 is: 2,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.83 : 4,783.28 = 1,337.45 : x
  2. Step 2: Convert to fraction form
    3,186.83/4,783.28 = 1,337.45/x
  3. Step 3: Cross multiply
    3,186.83x = 4,783.28 × 1,337.45
  4. Step 4: Simplify right side
    3,186.83x = 6,397,373.92
  5. Step 5: Solve for x
    x = 6,397,373.92/3,186.83
  6. Step 6: Final answer
    x = 2,007.44

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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.