Home / 3,633.65-5,442.27-1,681.75

Finding the Fourth Proportional to 3,633.65, 5,442.27 and 1,681.75

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Solution

The fourth proportional to 3,633.65, 5,442.27 and 1,681.75 is: 2,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.65 : 5,442.27 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    3,633.65/5,442.27 = 1,681.75/x
  3. Step 3: Cross multiply
    3,633.65x = 5,442.27 × 1,681.75
  4. Step 4: Simplify right side
    3,633.65x = 9,152,537.57
  5. Step 5: Solve for x
    x = 9,152,537.57/3,633.65
  6. Step 6: Final answer
    x = 2,518.83

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1.5x scale

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.