Home / 1,685.56-2,529.96-1,579.46

Finding the Fourth Proportional to 1,685.56, 2,529.96 and 1,579.46

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Solution

The fourth proportional to 1,685.56, 2,529.96 and 1,579.46 is: 2,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.56 : 2,529.96 = 1,579.46 : x
  2. Step 2: Convert to fraction form
    1,685.56/2,529.96 = 1,579.46/x
  3. Step 3: Cross multiply
    1,685.56x = 2,529.96 × 1,579.46
  4. Step 4: Simplify right side
    1,685.56x = 3,995,970.62
  5. Step 5: Solve for x
    x = 3,995,970.62/1,685.56
  6. Step 6: Final answer
    x = 2,370.71

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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.