Home / 2,663.32-4,002.06-1,431.64

Finding the Fourth Proportional to 2,663.32, 4,002.06 and 1,431.64

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Solution

The fourth proportional to 2,663.32, 4,002.06 and 1,431.64 is: 2,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.32 : 4,002.06 = 1,431.64 : x
  2. Step 2: Convert to fraction form
    2,663.32/4,002.06 = 1,431.64/x
  3. Step 3: Cross multiply
    2,663.32x = 4,002.06 × 1,431.64
  4. Step 4: Simplify right side
    2,663.32x = 5,729,509.18
  5. Step 5: Solve for x
    x = 5,729,509.18/2,663.32
  6. Step 6: Final answer
    x = 2,151.27

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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.