Home / 1,294-1,942.60-1,225.96

Finding the Fourth Proportional to 1,294, 1,942.60 and 1,225.96

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Solution

The fourth proportional to 1,294, 1,942.60 and 1,225.96 is: 1,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294 : 1,942.60 = 1,225.96 : x
  2. Step 2: Convert to fraction form
    1,294/1,942.60 = 1,225.96/x
  3. Step 3: Cross multiply
    1,294x = 1,942.60 × 1,225.96
  4. Step 4: Simplify right side
    1,294x = 2,381,549.90
  5. Step 5: Solve for x
    x = 2,381,549.90/1,294
  6. Step 6: Final answer
    x = 1,840.46

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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.