Home / 3,710.48-5,120.26-2,031.92

Finding the Fourth Proportional to 3,710.48, 5,120.26 and 2,031.92

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Solution

The fourth proportional to 3,710.48, 5,120.26 and 2,031.92 is: 2,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.48 : 5,120.26 = 2,031.92 : x
  2. Step 2: Convert to fraction form
    3,710.48/5,120.26 = 2,031.92/x
  3. Step 3: Cross multiply
    3,710.48x = 5,120.26 × 2,031.92
  4. Step 4: Simplify right side
    3,710.48x = 10,403,958.70
  5. Step 5: Solve for x
    x = 10,403,958.70/3,710.48
  6. Step 6: Final answer
    x = 2,803.94

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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.