Home / 3,756.12-5,631.54-1,807.32

Finding the Fourth Proportional to 3,756.12, 5,631.54 and 1,807.32

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Solution

The fourth proportional to 3,756.12, 5,631.54 and 1,807.32 is: 2,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.12 : 5,631.54 = 1,807.32 : x
  2. Step 2: Convert to fraction form
    3,756.12/5,631.54 = 1,807.32/x
  3. Step 3: Cross multiply
    3,756.12x = 5,631.54 × 1,807.32
  4. Step 4: Simplify right side
    3,756.12x = 10,177,994.87
  5. Step 5: Solve for x
    x = 10,177,994.87/3,756.12
  6. Step 6: Final answer
    x = 2,709.71

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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.