Home / 3,637.81-5,456.41-1,445.95

Finding the Fourth Proportional to 3,637.81, 5,456.41 and 1,445.95

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Solution

The fourth proportional to 3,637.81, 5,456.41 and 1,445.95 is: 2,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.81 : 5,456.41 = 1,445.95 : x
  2. Step 2: Convert to fraction form
    3,637.81/5,456.41 = 1,445.95/x
  3. Step 3: Cross multiply
    3,637.81x = 5,456.41 × 1,445.95
  4. Step 4: Simplify right side
    3,637.81x = 7,889,696.04
  5. Step 5: Solve for x
    x = 7,889,696.04/3,637.81
  6. Step 6: Final answer
    x = 2,168.80

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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.