Home / 1,724.43-2,586.73-492.02

Finding the Fourth Proportional to 1,724.43, 2,586.73 and 492.02

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Solution

The fourth proportional to 1,724.43, 2,586.73 and 492.02 is: 738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.43 : 2,586.73 = 492.02 : x
  2. Step 2: Convert to fraction form
    1,724.43/2,586.73 = 492.02/x
  3. Step 3: Cross multiply
    1,724.43x = 2,586.73 × 492.02
  4. Step 4: Simplify right side
    1,724.43x = 1,272,707.50
  5. Step 5: Solve for x
    x = 1,272,707.50/1,724.43
  6. Step 6: Final answer
    x = 738.05

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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.