Home / 1,482.96-2,042.10-1,188.66

Finding the Fourth Proportional to 1,482.96, 2,042.10 and 1,188.66

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Solution

The fourth proportional to 1,482.96, 2,042.10 and 1,188.66 is: 1,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.96 : 2,042.10 = 1,188.66 : x
  2. Step 2: Convert to fraction form
    1,482.96/2,042.10 = 1,188.66/x
  3. Step 3: Cross multiply
    1,482.96x = 2,042.10 × 1,188.66
  4. Step 4: Simplify right side
    1,482.96x = 2,427,362.59
  5. Step 5: Solve for x
    x = 2,427,362.59/1,482.96
  6. Step 6: Final answer
    x = 1,636.84

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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.