Home / 1,848.35-2,771.60-615.33

Finding the Fourth Proportional to 1,848.35, 2,771.60 and 615.33

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Solution

The fourth proportional to 1,848.35, 2,771.60 and 615.33 is: 922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.35 : 2,771.60 = 615.33 : x
  2. Step 2: Convert to fraction form
    1,848.35/2,771.60 = 615.33/x
  3. Step 3: Cross multiply
    1,848.35x = 2,771.60 × 615.33
  4. Step 4: Simplify right side
    1,848.35x = 1,705,445.55
  5. Step 5: Solve for x
    x = 1,705,445.55/1,848.35
  6. Step 6: Final answer
    x = 922.68

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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.