Home / 3,637.44-5,456.34-1,040.40

Finding the Fourth Proportional to 3,637.44, 5,456.34 and 1,040.40

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Solution

The fourth proportional to 3,637.44, 5,456.34 and 1,040.40 is: 1,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.44 : 5,456.34 = 1,040.40 : x
  2. Step 2: Convert to fraction form
    3,637.44/5,456.34 = 1,040.40/x
  3. Step 3: Cross multiply
    3,637.44x = 5,456.34 × 1,040.40
  4. Step 4: Simplify right side
    3,637.44x = 5,676,776.14
  5. Step 5: Solve for x
    x = 5,676,776.14/3,637.44
  6. Step 6: Final answer
    x = 1,560.65

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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.