Home / 3,605.58-5,407.38-2,287.38

Finding the Fourth Proportional to 3,605.58, 5,407.38 and 2,287.38

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Solution

The fourth proportional to 3,605.58, 5,407.38 and 2,287.38 is: 3,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.58 : 5,407.38 = 2,287.38 : x
  2. Step 2: Convert to fraction form
    3,605.58/5,407.38 = 2,287.38/x
  3. Step 3: Cross multiply
    3,605.58x = 5,407.38 × 2,287.38
  4. Step 4: Simplify right side
    3,605.58x = 12,368,732.86
  5. Step 5: Solve for x
    x = 12,368,732.86/3,605.58
  6. Step 6: Final answer
    x = 3,430.44

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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.