Home / 3,213.02-4,820.25-1,365.72

Finding the Fourth Proportional to 3,213.02, 4,820.25 and 1,365.72

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Solution

The fourth proportional to 3,213.02, 4,820.25 and 1,365.72 is: 2,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.02 : 4,820.25 = 1,365.72 : x
  2. Step 2: Convert to fraction form
    3,213.02/4,820.25 = 1,365.72/x
  3. Step 3: Cross multiply
    3,213.02x = 4,820.25 × 1,365.72
  4. Step 4: Simplify right side
    3,213.02x = 6,583,088.63
  5. Step 5: Solve for x
    x = 6,583,088.63/3,213.02
  6. Step 6: Final answer
    x = 2,048.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.