Home / 3,620.49-5,430.72-1,023.42

Finding the Fourth Proportional to 3,620.49, 5,430.72 and 1,023.42

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Solution

The fourth proportional to 3,620.49, 5,430.72 and 1,023.42 is: 1,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.49 : 5,430.72 = 1,023.42 : x
  2. Step 2: Convert to fraction form
    3,620.49/5,430.72 = 1,023.42/x
  3. Step 3: Cross multiply
    3,620.49x = 5,430.72 × 1,023.42
  4. Step 4: Simplify right side
    3,620.49x = 5,557,907.46
  5. Step 5: Solve for x
    x = 5,557,907.46/3,620.49
  6. Step 6: Final answer
    x = 1,535.13

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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.