Home / 3,780.36-5,672.16-1,473.48

Finding the Fourth Proportional to 3,780.36, 5,672.16 and 1,473.48

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Solution

The fourth proportional to 3,780.36, 5,672.16 and 1,473.48 is: 2,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.36 : 5,672.16 = 1,473.48 : x
  2. Step 2: Convert to fraction form
    3,780.36/5,672.16 = 1,473.48/x
  3. Step 3: Cross multiply
    3,780.36x = 5,672.16 × 1,473.48
  4. Step 4: Simplify right side
    3,780.36x = 8,357,814.32
  5. Step 5: Solve for x
    x = 8,357,814.32/3,780.36
  6. Step 6: Final answer
    x = 2,210.85

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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.