Home / 3,620.14-5,430.52-1,023.10

Finding the Fourth Proportional to 3,620.14, 5,430.52 and 1,023.10

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Solution

The fourth proportional to 3,620.14, 5,430.52 and 1,023.10 is: 1,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.14 : 5,430.52 = 1,023.10 : x
  2. Step 2: Convert to fraction form
    3,620.14/5,430.52 = 1,023.10/x
  3. Step 3: Cross multiply
    3,620.14x = 5,430.52 × 1,023.10
  4. Step 4: Simplify right side
    3,620.14x = 5,555,965.01
  5. Step 5: Solve for x
    x = 5,555,965.01/3,620.14
  6. Step 6: Final answer
    x = 1,534.74

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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.