Home / 3,270.49-4,901.96-1,421.26

Finding the Fourth Proportional to 3,270.49, 4,901.96 and 1,421.26

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Solution

The fourth proportional to 3,270.49, 4,901.96 and 1,421.26 is: 2,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.49 : 4,901.96 = 1,421.26 : x
  2. Step 2: Convert to fraction form
    3,270.49/4,901.96 = 1,421.26/x
  3. Step 3: Cross multiply
    3,270.49x = 4,901.96 × 1,421.26
  4. Step 4: Simplify right side
    3,270.49x = 6,966,952.56
  5. Step 5: Solve for x
    x = 6,966,952.56/3,270.49
  6. Step 6: Final answer
    x = 2,130.25

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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.