Home / 3,619.76-5,430.51-1,022.63

Finding the Fourth Proportional to 3,619.76, 5,430.51 and 1,022.63

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Solution

The fourth proportional to 3,619.76, 5,430.51 and 1,022.63 is: 1,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.76 : 5,430.51 = 1,022.63 : x
  2. Step 2: Convert to fraction form
    3,619.76/5,430.51 = 1,022.63/x
  3. Step 3: Cross multiply
    3,619.76x = 5,430.51 × 1,022.63
  4. Step 4: Simplify right side
    3,619.76x = 5,553,375.29
  5. Step 5: Solve for x
    x = 5,553,375.29/3,619.76
  6. Step 6: Final answer
    x = 1,534.19

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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.