Home / 1,846.91-2,769.44-613.89

Finding the Fourth Proportional to 1,846.91, 2,769.44 and 613.89

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Solution

The fourth proportional to 1,846.91, 2,769.44 and 613.89 is: 920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.91 : 2,769.44 = 613.89 : x
  2. Step 2: Convert to fraction form
    1,846.91/2,769.44 = 613.89/x
  3. Step 3: Cross multiply
    1,846.91x = 2,769.44 × 613.89
  4. Step 4: Simplify right side
    1,846.91x = 1,700,124.12
  5. Step 5: Solve for x
    x = 1,700,124.12/1,846.91
  6. Step 6: Final answer
    x = 920.52

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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.