Home / 2,720.54-4,079.74-1,732.48

Finding the Fourth Proportional to 2,720.54, 4,079.74 and 1,732.48

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Solution

The fourth proportional to 2,720.54, 4,079.74 and 1,732.48 is: 2,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.54 : 4,079.74 = 1,732.48 : x
  2. Step 2: Convert to fraction form
    2,720.54/4,079.74 = 1,732.48/x
  3. Step 3: Cross multiply
    2,720.54x = 4,079.74 × 1,732.48
  4. Step 4: Simplify right side
    2,720.54x = 7,068,055.81
  5. Step 5: Solve for x
    x = 7,068,055.81/2,720.54
  6. Step 6: Final answer
    x = 2,598.04

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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.