Home / 1,848.78-2,770.02-1,116.81

Finding the Fourth Proportional to 1,848.78, 2,770.02 and 1,116.81

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Solution

The fourth proportional to 1,848.78, 2,770.02 and 1,116.81 is: 1,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.78 : 2,770.02 = 1,116.81 : x
  2. Step 2: Convert to fraction form
    1,848.78/2,770.02 = 1,116.81/x
  3. Step 3: Cross multiply
    1,848.78x = 2,770.02 × 1,116.81
  4. Step 4: Simplify right side
    1,848.78x = 3,093,586.04
  5. Step 5: Solve for x
    x = 3,093,586.04/1,848.78
  6. Step 6: Final answer
    x = 1,673.31

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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.