Home / 3,309.85-4,566.94-1,983.07

Finding the Fourth Proportional to 3,309.85, 4,566.94 and 1,983.07

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Solution

The fourth proportional to 3,309.85, 4,566.94 and 1,983.07 is: 2,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.85 : 4,566.94 = 1,983.07 : x
  2. Step 2: Convert to fraction form
    3,309.85/4,566.94 = 1,983.07/x
  3. Step 3: Cross multiply
    3,309.85x = 4,566.94 × 1,983.07
  4. Step 4: Simplify right side
    3,309.85x = 9,056,561.71
  5. Step 5: Solve for x
    x = 9,056,561.71/3,309.85
  6. Step 6: Final answer
    x = 2,736.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.