Home / 3,690.23-5,538.11-1,743.80

Finding the Fourth Proportional to 3,690.23, 5,538.11 and 1,743.80

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Solution

The fourth proportional to 3,690.23, 5,538.11 and 1,743.80 is: 2,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.23 : 5,538.11 = 1,743.80 : x
  2. Step 2: Convert to fraction form
    3,690.23/5,538.11 = 1,743.80/x
  3. Step 3: Cross multiply
    3,690.23x = 5,538.11 × 1,743.80
  4. Step 4: Simplify right side
    3,690.23x = 9,657,319.81
  5. Step 5: Solve for x
    x = 9,657,319.81/3,690.23
  6. Step 6: Final answer
    x = 2,617.00

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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.