Home / 1,743.49-2,612.96-1,118.53

Finding the Fourth Proportional to 1,743.49, 2,612.96 and 1,118.53

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Solution

The fourth proportional to 1,743.49, 2,612.96 and 1,118.53 is: 1,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.49 : 2,612.96 = 1,118.53 : x
  2. Step 2: Convert to fraction form
    1,743.49/2,612.96 = 1,118.53/x
  3. Step 3: Cross multiply
    1,743.49x = 2,612.96 × 1,118.53
  4. Step 4: Simplify right side
    1,743.49x = 2,922,674.15
  5. Step 5: Solve for x
    x = 2,922,674.15/1,743.49
  6. Step 6: Final answer
    x = 1,676.34

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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.