Home / 4,131.50-5,706.33-2,802.90

Finding the Fourth Proportional to 4,131.50, 5,706.33 and 2,802.90

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Solution

The fourth proportional to 4,131.50, 5,706.33 and 2,802.90 is: 3,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.50 : 5,706.33 = 2,802.90 : x
  2. Step 2: Convert to fraction form
    4,131.50/5,706.33 = 2,802.90/x
  3. Step 3: Cross multiply
    4,131.50x = 5,706.33 × 2,802.90
  4. Step 4: Simplify right side
    4,131.50x = 15,994,272.36
  5. Step 5: Solve for x
    x = 15,994,272.36/4,131.50
  6. Step 6: Final answer
    x = 3,871.30

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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.