Home / 2,982.24-4,118.64-2,656.48

Finding the Fourth Proportional to 2,982.24, 4,118.64 and 2,656.48

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Solution

The fourth proportional to 2,982.24, 4,118.64 and 2,656.48 is: 3,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.24 : 4,118.64 = 2,656.48 : x
  2. Step 2: Convert to fraction form
    2,982.24/4,118.64 = 2,656.48/x
  3. Step 3: Cross multiply
    2,982.24x = 4,118.64 × 2,656.48
  4. Step 4: Simplify right side
    2,982.24x = 10,941,084.79
  5. Step 5: Solve for x
    x = 10,941,084.79/2,982.24
  6. Step 6: Final answer
    x = 3,668.75

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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.