Home / 3,605.65-5,406.29-1,754.90

Finding the Fourth Proportional to 3,605.65, 5,406.29 and 1,754.90

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Solution

The fourth proportional to 3,605.65, 5,406.29 and 1,754.90 is: 2,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.65 : 5,406.29 = 1,754.90 : x
  2. Step 2: Convert to fraction form
    3,605.65/5,406.29 = 1,754.90/x
  3. Step 3: Cross multiply
    3,605.65x = 5,406.29 × 1,754.90
  4. Step 4: Simplify right side
    3,605.65x = 9,487,498.32
  5. Step 5: Solve for x
    x = 9,487,498.32/3,605.65
  6. Step 6: Final answer
    x = 2,631.29

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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.