Home / 3,478.44-4,795.02-2,730.72

Finding the Fourth Proportional to 3,478.44, 4,795.02 and 2,730.72

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Solution

The fourth proportional to 3,478.44, 4,795.02 and 2,730.72 is: 3,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.44 : 4,795.02 = 2,730.72 : x
  2. Step 2: Convert to fraction form
    3,478.44/4,795.02 = 2,730.72/x
  3. Step 3: Cross multiply
    3,478.44x = 4,795.02 × 2,730.72
  4. Step 4: Simplify right side
    3,478.44x = 13,093,857.01
  5. Step 5: Solve for x
    x = 13,093,857.01/3,478.44
  6. Step 6: Final answer
    x = 3,764.29

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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.