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Finding the Fourth Proportional to 2,885.74, 4,328.84 and 1,241.89

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Solution

The fourth proportional to 2,885.74, 4,328.84 and 1,241.89 is: 1,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.74 : 4,328.84 = 1,241.89 : x
  2. Step 2: Convert to fraction form
    2,885.74/4,328.84 = 1,241.89/x
  3. Step 3: Cross multiply
    2,885.74x = 4,328.84 × 1,241.89
  4. Step 4: Simplify right side
    2,885.74x = 5,375,935.39
  5. Step 5: Solve for x
    x = 5,375,935.39/2,885.74
  6. Step 6: Final answer
    x = 1,862.93

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1.5x scale

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.