Home / 1,722.41-2,582.94-626.18

Finding the Fourth Proportional to 1,722.41, 2,582.94 and 626.18

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Solution

The fourth proportional to 1,722.41, 2,582.94 and 626.18 is: 939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.41 : 2,582.94 = 626.18 : x
  2. Step 2: Convert to fraction form
    1,722.41/2,582.94 = 626.18/x
  3. Step 3: Cross multiply
    1,722.41x = 2,582.94 × 626.18
  4. Step 4: Simplify right side
    1,722.41x = 1,617,385.81
  5. Step 5: Solve for x
    x = 1,617,385.81/1,722.41
  6. Step 6: Final answer
    x = 939.02

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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.