Home / 1,848.41-2,771.67-615.49

Finding the Fourth Proportional to 1,848.41, 2,771.67 and 615.49

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Solution

The fourth proportional to 1,848.41, 2,771.67 and 615.49 is: 922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.41 : 2,771.67 = 615.49 : x
  2. Step 2: Convert to fraction form
    1,848.41/2,771.67 = 615.49/x
  3. Step 3: Cross multiply
    1,848.41x = 2,771.67 × 615.49
  4. Step 4: Simplify right side
    1,848.41x = 1,705,935.17
  5. Step 5: Solve for x
    x = 1,705,935.17/1,848.41
  6. Step 6: Final answer
    x = 922.92

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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.