Home / 1,705.17-2,562.63-1,589.61

Finding the Fourth Proportional to 1,705.17, 2,562.63 and 1,589.61

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Solution

The fourth proportional to 1,705.17, 2,562.63 and 1,589.61 is: 2,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.17 : 2,562.63 = 1,589.61 : x
  2. Step 2: Convert to fraction form
    1,705.17/2,562.63 = 1,589.61/x
  3. Step 3: Cross multiply
    1,705.17x = 2,562.63 × 1,589.61
  4. Step 4: Simplify right side
    1,705.17x = 4,073,582.27
  5. Step 5: Solve for x
    x = 4,073,582.27/1,705.17
  6. Step 6: Final answer
    x = 2,388.96

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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.