Home / 2,720.04-4,072.74-1,418.76

Finding the Fourth Proportional to 2,720.04, 4,072.74 and 1,418.76

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Solution

The fourth proportional to 2,720.04, 4,072.74 and 1,418.76 is: 2,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.04 : 4,072.74 = 1,418.76 : x
  2. Step 2: Convert to fraction form
    2,720.04/4,072.74 = 1,418.76/x
  3. Step 3: Cross multiply
    2,720.04x = 4,072.74 × 1,418.76
  4. Step 4: Simplify right side
    2,720.04x = 5,778,240.60
  5. Step 5: Solve for x
    x = 5,778,240.60/2,720.04
  6. Step 6: Final answer
    x = 2,124.32

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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.