Home / 2,973.24-4,453.38-1,431

Finding the Fourth Proportional to 2,973.24, 4,453.38 and 1,431

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Solution

The fourth proportional to 2,973.24, 4,453.38 and 1,431 is: 2,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.24 : 4,453.38 = 1,431 : x
  2. Step 2: Convert to fraction form
    2,973.24/4,453.38 = 1,431/x
  3. Step 3: Cross multiply
    2,973.24x = 4,453.38 × 1,431
  4. Step 4: Simplify right side
    2,973.24x = 6,372,786.78
  5. Step 5: Solve for x
    x = 6,372,786.78/2,973.24
  6. Step 6: Final answer
    x = 2,143.38

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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.