Home / 3,550.65-4,899.68-1,957.17

Finding the Fourth Proportional to 3,550.65, 4,899.68 and 1,957.17

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Solution

The fourth proportional to 3,550.65, 4,899.68 and 1,957.17 is: 2,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.65 : 4,899.68 = 1,957.17 : x
  2. Step 2: Convert to fraction form
    3,550.65/4,899.68 = 1,957.17/x
  3. Step 3: Cross multiply
    3,550.65x = 4,899.68 × 1,957.17
  4. Step 4: Simplify right side
    3,550.65x = 9,589,496.92
  5. Step 5: Solve for x
    x = 9,589,496.92/3,550.65
  6. Step 6: Final answer
    x = 2,700.77

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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.