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Finding the Fourth Proportional to 1,862.89, 2,794.43 and 1,341.45

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Solution

The fourth proportional to 1,862.89, 2,794.43 and 1,341.45 is: 2,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.89 : 2,794.43 = 1,341.45 : x
  2. Step 2: Convert to fraction form
    1,862.89/2,794.43 = 1,341.45/x
  3. Step 3: Cross multiply
    1,862.89x = 2,794.43 × 1,341.45
  4. Step 4: Simplify right side
    1,862.89x = 3,748,591.48
  5. Step 5: Solve for x
    x = 3,748,591.48/1,862.89
  6. Step 6: Final answer
    x = 2,012.25

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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.