Home / 1,724.44-2,586.68-570.20

Finding the Fourth Proportional to 1,724.44, 2,586.68 and 570.20

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Solution

The fourth proportional to 1,724.44, 2,586.68 and 570.20 is: 855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.44 : 2,586.68 = 570.20 : x
  2. Step 2: Convert to fraction form
    1,724.44/2,586.68 = 570.20/x
  3. Step 3: Cross multiply
    1,724.44x = 2,586.68 × 570.20
  4. Step 4: Simplify right side
    1,724.44x = 1,474,924.94
  5. Step 5: Solve for x
    x = 1,474,924.94/1,724.44
  6. Step 6: Final answer
    x = 855.31

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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.