Home / 3,312.46-4,571.17-1,820.37

Finding the Fourth Proportional to 3,312.46, 4,571.17 and 1,820.37

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Solution

The fourth proportional to 3,312.46, 4,571.17 and 1,820.37 is: 2,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.46 : 4,571.17 = 1,820.37 : x
  2. Step 2: Convert to fraction form
    3,312.46/4,571.17 = 1,820.37/x
  3. Step 3: Cross multiply
    3,312.46x = 4,571.17 × 1,820.37
  4. Step 4: Simplify right side
    3,312.46x = 8,321,233.32
  5. Step 5: Solve for x
    x = 8,321,233.32/3,312.46
  6. Step 6: Final answer
    x = 2,512.10

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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.