Home / 3,605.86-5,409.27-1,266.34

Finding the Fourth Proportional to 3,605.86, 5,409.27 and 1,266.34

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Solution

The fourth proportional to 3,605.86, 5,409.27 and 1,266.34 is: 1,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.86 : 5,409.27 = 1,266.34 : x
  2. Step 2: Convert to fraction form
    3,605.86/5,409.27 = 1,266.34/x
  3. Step 3: Cross multiply
    3,605.86x = 5,409.27 × 1,266.34
  4. Step 4: Simplify right side
    3,605.86x = 6,849,974.97
  5. Step 5: Solve for x
    x = 6,849,974.97/3,605.86
  6. Step 6: Final answer
    x = 1,899.68

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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.