Home / 1,424.84-1,963.32-1,110.20

Finding the Fourth Proportional to 1,424.84, 1,963.32 and 1,110.20

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Solution

The fourth proportional to 1,424.84, 1,963.32 and 1,110.20 is: 1,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.84 : 1,963.32 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    1,424.84/1,963.32 = 1,110.20/x
  3. Step 3: Cross multiply
    1,424.84x = 1,963.32 × 1,110.20
  4. Step 4: Simplify right side
    1,424.84x = 2,179,677.86
  5. Step 5: Solve for x
    x = 2,179,677.86/1,424.84
  6. Step 6: Final answer
    x = 1,529.77

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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.