Home / 3,157.02-4,733.91-1,208.70

Finding the Fourth Proportional to 3,157.02, 4,733.91 and 1,208.70

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Solution

The fourth proportional to 3,157.02, 4,733.91 and 1,208.70 is: 1,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.02 : 4,733.91 = 1,208.70 : x
  2. Step 2: Convert to fraction form
    3,157.02/4,733.91 = 1,208.70/x
  3. Step 3: Cross multiply
    3,157.02x = 4,733.91 × 1,208.70
  4. Step 4: Simplify right side
    3,157.02x = 5,721,877.02
  5. Step 5: Solve for x
    x = 5,721,877.02/3,157.02
  6. Step 6: Final answer
    x = 1,812.43

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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.