Home / 2,444.40-3,663.96-905.28

Finding the Fourth Proportional to 2,444.40, 3,663.96 and 905.28

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Solution

The fourth proportional to 2,444.40, 3,663.96 and 905.28 is: 1,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.40 : 3,663.96 = 905.28 : x
  2. Step 2: Convert to fraction form
    2,444.40/3,663.96 = 905.28/x
  3. Step 3: Cross multiply
    2,444.40x = 3,663.96 × 905.28
  4. Step 4: Simplify right side
    2,444.40x = 3,316,909.71
  5. Step 5: Solve for x
    x = 3,316,909.71/2,444.40
  6. Step 6: Final answer
    x = 1,356.94

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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.