Home / 1,712.94-2,363.85-926.98

Finding the Fourth Proportional to 1,712.94, 2,363.85 and 926.98

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Solution

The fourth proportional to 1,712.94, 2,363.85 and 926.98 is: 1,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.94 : 2,363.85 = 926.98 : x
  2. Step 2: Convert to fraction form
    1,712.94/2,363.85 = 926.98/x
  3. Step 3: Cross multiply
    1,712.94x = 2,363.85 × 926.98
  4. Step 4: Simplify right side
    1,712.94x = 2,191,241.67
  5. Step 5: Solve for x
    x = 2,191,241.67/1,712.94
  6. Step 6: Final answer
    x = 1,279.23

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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.