Home / 1,848.39-2,770.28-1,188.51

Finding the Fourth Proportional to 1,848.39, 2,770.28 and 1,188.51

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Solution

The fourth proportional to 1,848.39, 2,770.28 and 1,188.51 is: 1,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.39 : 2,770.28 = 1,188.51 : x
  2. Step 2: Convert to fraction form
    1,848.39/2,770.28 = 1,188.51/x
  3. Step 3: Cross multiply
    1,848.39x = 2,770.28 × 1,188.51
  4. Step 4: Simplify right side
    1,848.39x = 3,292,505.48
  5. Step 5: Solve for x
    x = 3,292,505.48/1,848.39
  6. Step 6: Final answer
    x = 1,781.28

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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.