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Finding the Fourth Proportional to 1,862.85, 2,794.27 and 836.13

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Solution

The fourth proportional to 1,862.85, 2,794.27 and 836.13 is: 1,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.85 : 2,794.27 = 836.13 : x
  2. Step 2: Convert to fraction form
    1,862.85/2,794.27 = 836.13/x
  3. Step 3: Cross multiply
    1,862.85x = 2,794.27 × 836.13
  4. Step 4: Simplify right side
    1,862.85x = 2,336,372.98
  5. Step 5: Solve for x
    x = 2,336,372.98/1,862.85
  6. Step 6: Final answer
    x = 1,254.19

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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.