Home / 2,881.91-3,975.46-2,508.23

Finding the Fourth Proportional to 2,881.91, 3,975.46 and 2,508.23

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Solution

The fourth proportional to 2,881.91, 3,975.46 and 2,508.23 is: 3,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.91 : 3,975.46 = 2,508.23 : x
  2. Step 2: Convert to fraction form
    2,881.91/3,975.46 = 2,508.23/x
  3. Step 3: Cross multiply
    2,881.91x = 3,975.46 × 2,508.23
  4. Step 4: Simplify right side
    2,881.91x = 9,971,341.89
  5. Step 5: Solve for x
    x = 9,971,341.89/2,881.91
  6. Step 6: Final answer
    x = 3,459.98

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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.