Home / 1,299.49-1,946.66-1,193.18

Finding the Fourth Proportional to 1,299.49, 1,946.66 and 1,193.18

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Solution

The fourth proportional to 1,299.49, 1,946.66 and 1,193.18 is: 1,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.49 : 1,946.66 = 1,193.18 : x
  2. Step 2: Convert to fraction form
    1,299.49/1,946.66 = 1,193.18/x
  3. Step 3: Cross multiply
    1,299.49x = 1,946.66 × 1,193.18
  4. Step 4: Simplify right side
    1,299.49x = 2,322,714.39
  5. Step 5: Solve for x
    x = 2,322,714.39/1,299.49
  6. Step 6: Final answer
    x = 1,787.40

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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.