Home / 3,706.46-5,110.38-2,820.74

Finding the Fourth Proportional to 3,706.46, 5,110.38 and 2,820.74

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Solution

The fourth proportional to 3,706.46, 5,110.38 and 2,820.74 is: 3,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.46 : 5,110.38 = 2,820.74 : x
  2. Step 2: Convert to fraction form
    3,706.46/5,110.38 = 2,820.74/x
  3. Step 3: Cross multiply
    3,706.46x = 5,110.38 × 2,820.74
  4. Step 4: Simplify right side
    3,706.46x = 14,415,053.28
  5. Step 5: Solve for x
    x = 14,415,053.28/3,706.46
  6. Step 6: Final answer
    x = 3,889.17

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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.