Home / 3,426.10-4,727.75-1,934.16

Finding the Fourth Proportional to 3,426.10, 4,727.75 and 1,934.16

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Solution

The fourth proportional to 3,426.10, 4,727.75 and 1,934.16 is: 2,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.10 : 4,727.75 = 1,934.16 : x
  2. Step 2: Convert to fraction form
    3,426.10/4,727.75 = 1,934.16/x
  3. Step 3: Cross multiply
    3,426.10x = 4,727.75 × 1,934.16
  4. Step 4: Simplify right side
    3,426.10x = 9,144,235.01
  5. Step 5: Solve for x
    x = 9,144,235.01/3,426.10
  6. Step 6: Final answer
    x = 2,668.99

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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.