Home / 2,720.86-3,754.59-1,672.93

Finding the Fourth Proportional to 2,720.86, 3,754.59 and 1,672.93

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Solution

The fourth proportional to 2,720.86, 3,754.59 and 1,672.93 is: 2,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.86 : 3,754.59 = 1,672.93 : x
  2. Step 2: Convert to fraction form
    2,720.86/3,754.59 = 1,672.93/x
  3. Step 3: Cross multiply
    2,720.86x = 3,754.59 × 1,672.93
  4. Step 4: Simplify right side
    2,720.86x = 6,281,166.25
  5. Step 5: Solve for x
    x = 6,281,166.25/2,720.86
  6. Step 6: Final answer
    x = 2,308.52

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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.