Home / 1,848.89-2,551.90-1,219.53

Finding the Fourth Proportional to 1,848.89, 2,551.90 and 1,219.53

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Solution

The fourth proportional to 1,848.89, 2,551.90 and 1,219.53 is: 1,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.89 : 2,551.90 = 1,219.53 : x
  2. Step 2: Convert to fraction form
    1,848.89/2,551.90 = 1,219.53/x
  3. Step 3: Cross multiply
    1,848.89x = 2,551.90 × 1,219.53
  4. Step 4: Simplify right side
    1,848.89x = 3,112,115.56
  5. Step 5: Solve for x
    x = 3,112,115.56/1,848.89
  6. Step 6: Final answer
    x = 1,683.23

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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.