Home / 4,131.71-5,706.41-2,803.10

Finding the Fourth Proportional to 4,131.71, 5,706.41 and 2,803.10

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Solution

The fourth proportional to 4,131.71, 5,706.41 and 2,803.10 is: 3,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.71 : 5,706.41 = 2,803.10 : x
  2. Step 2: Convert to fraction form
    4,131.71/5,706.41 = 2,803.10/x
  3. Step 3: Cross multiply
    4,131.71x = 5,706.41 × 2,803.10
  4. Step 4: Simplify right side
    4,131.71x = 15,995,638.12
  5. Step 5: Solve for x
    x = 15,995,638.12/4,131.71
  6. Step 6: Final answer
    x = 3,871.44

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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.