Home / 3,710.13-5,119.99-2,031.55

Finding the Fourth Proportional to 3,710.13, 5,119.99 and 2,031.55

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Solution

The fourth proportional to 3,710.13, 5,119.99 and 2,031.55 is: 2,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.13 : 5,119.99 = 2,031.55 : x
  2. Step 2: Convert to fraction form
    3,710.13/5,119.99 = 2,031.55/x
  3. Step 3: Cross multiply
    3,710.13x = 5,119.99 × 2,031.55
  4. Step 4: Simplify right side
    3,710.13x = 10,401,515.68
  5. Step 5: Solve for x
    x = 10,401,515.68/3,710.13
  6. Step 6: Final answer
    x = 2,803.54

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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.