Home / 1,722.41-2,376.15-1,023.38

Finding the Fourth Proportional to 1,722.41, 2,376.15 and 1,023.38

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Solution

The fourth proportional to 1,722.41, 2,376.15 and 1,023.38 is: 1,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.41 : 2,376.15 = 1,023.38 : x
  2. Step 2: Convert to fraction form
    1,722.41/2,376.15 = 1,023.38/x
  3. Step 3: Cross multiply
    1,722.41x = 2,376.15 × 1,023.38
  4. Step 4: Simplify right side
    1,722.41x = 2,431,692.51
  5. Step 5: Solve for x
    x = 2,431,692.51/1,722.41
  6. Step 6: Final answer
    x = 1,411.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.