Home / 2,479.06-3,718.82-1,769.65

Finding the Fourth Proportional to 2,479.06, 3,718.82 and 1,769.65

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Solution

The fourth proportional to 2,479.06, 3,718.82 and 1,769.65 is: 2,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.06 : 3,718.82 = 1,769.65 : x
  2. Step 2: Convert to fraction form
    2,479.06/3,718.82 = 1,769.65/x
  3. Step 3: Cross multiply
    2,479.06x = 3,718.82 × 1,769.65
  4. Step 4: Simplify right side
    2,479.06x = 6,581,009.81
  5. Step 5: Solve for x
    x = 6,581,009.81/2,479.06
  6. Step 6: Final answer
    x = 2,654.64

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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.