Home / 4,206.92-5,805.69-2,318.72

Finding the Fourth Proportional to 4,206.92, 5,805.69 and 2,318.72

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Solution

The fourth proportional to 4,206.92, 5,805.69 and 2,318.72 is: 3,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.92 : 5,805.69 = 2,318.72 : x
  2. Step 2: Convert to fraction form
    4,206.92/5,805.69 = 2,318.72/x
  3. Step 3: Cross multiply
    4,206.92x = 5,805.69 × 2,318.72
  4. Step 4: Simplify right side
    4,206.92x = 13,461,769.52
  5. Step 5: Solve for x
    x = 13,461,769.52/4,206.92
  6. Step 6: Final answer
    x = 3,199.91

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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.