Home / 2,720.04-3,752.20-1,723.56

Finding the Fourth Proportional to 2,720.04, 3,752.20 and 1,723.56

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Solution

The fourth proportional to 2,720.04, 3,752.20 and 1,723.56 is: 2,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.04 : 3,752.20 = 1,723.56 : x
  2. Step 2: Convert to fraction form
    2,720.04/3,752.20 = 1,723.56/x
  3. Step 3: Cross multiply
    2,720.04x = 3,752.20 × 1,723.56
  4. Step 4: Simplify right side
    2,720.04x = 6,467,141.83
  5. Step 5: Solve for x
    x = 6,467,141.83/2,720.04
  6. Step 6: Final answer
    x = 2,377.59

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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.