Home / 1,848.78-2,548.34-1,608.90

Finding the Fourth Proportional to 1,848.78, 2,548.34 and 1,608.90

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Solution

The fourth proportional to 1,848.78, 2,548.34 and 1,608.90 is: 2,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.78 : 2,548.34 = 1,608.90 : x
  2. Step 2: Convert to fraction form
    1,848.78/2,548.34 = 1,608.90/x
  3. Step 3: Cross multiply
    1,848.78x = 2,548.34 × 1,608.90
  4. Step 4: Simplify right side
    1,848.78x = 4,100,008.13
  5. Step 5: Solve for x
    x = 4,100,008.13/1,848.78
  6. Step 6: Final answer
    x = 2,217.68

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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.