Home / 2,154.24-2,975.68-1,766.08

Finding the Fourth Proportional to 2,154.24, 2,975.68 and 1,766.08

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Solution

The fourth proportional to 2,154.24, 2,975.68 and 1,766.08 is: 2,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.24 : 2,975.68 = 1,766.08 : x
  2. Step 2: Convert to fraction form
    2,154.24/2,975.68 = 1,766.08/x
  3. Step 3: Cross multiply
    2,154.24x = 2,975.68 × 1,766.08
  4. Step 4: Simplify right side
    2,154.24x = 5,255,288.93
  5. Step 5: Solve for x
    x = 5,255,288.93/2,154.24
  6. Step 6: Final answer
    x = 2,439.51

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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.