Home / 3,803.32-5,247.99-2,124.64

Finding the Fourth Proportional to 3,803.32, 5,247.99 and 2,124.64

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Solution

The fourth proportional to 3,803.32, 5,247.99 and 2,124.64 is: 2,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.32 : 5,247.99 = 2,124.64 : x
  2. Step 2: Convert to fraction form
    3,803.32/5,247.99 = 2,124.64/x
  3. Step 3: Cross multiply
    3,803.32x = 5,247.99 × 2,124.64
  4. Step 4: Simplify right side
    3,803.32x = 11,150,089.47
  5. Step 5: Solve for x
    x = 11,150,089.47/3,803.32
  6. Step 6: Final answer
    x = 2,931.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.