Home / 3,772.58-5,653.40-1,580.11

Finding the Fourth Proportional to 3,772.58, 5,653.40 and 1,580.11

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Solution

The fourth proportional to 3,772.58, 5,653.40 and 1,580.11 is: 2,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.58 : 5,653.40 = 1,580.11 : x
  2. Step 2: Convert to fraction form
    3,772.58/5,653.40 = 1,580.11/x
  3. Step 3: Cross multiply
    3,772.58x = 5,653.40 × 1,580.11
  4. Step 4: Simplify right side
    3,772.58x = 8,932,971.84
  5. Step 5: Solve for x
    x = 8,932,971.84/3,772.58
  6. Step 6: Final answer
    x = 2,367.87

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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.