Home / 3,312.47-4,571.30-1,820.41

Finding the Fourth Proportional to 3,312.47, 4,571.30 and 1,820.41

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Solution

The fourth proportional to 3,312.47, 4,571.30 and 1,820.41 is: 2,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.47 : 4,571.30 = 1,820.41 : x
  2. Step 2: Convert to fraction form
    3,312.47/4,571.30 = 1,820.41/x
  3. Step 3: Cross multiply
    3,312.47x = 4,571.30 × 1,820.41
  4. Step 4: Simplify right side
    3,312.47x = 8,321,633.36
  5. Step 5: Solve for x
    x = 8,321,633.36/3,312.47
  6. Step 6: Final answer
    x = 2,512.21

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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.