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Finding the Fourth Proportional to 3,813.00, 5,264.05 and 2,560.71

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Solution

The fourth proportional to 3,813.00, 5,264.05 and 2,560.71 is: 3,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.00 : 5,264.05 = 2,560.71 : x
  2. Step 2: Convert to fraction form
    3,813.00/5,264.05 = 2,560.71/x
  3. Step 3: Cross multiply
    3,813.00x = 5,264.05 × 2,560.71
  4. Step 4: Simplify right side
    3,813.00x = 13,479,714.84
  5. Step 5: Solve for x
    x = 13,479,714.84/3,813.00
  6. Step 6: Final answer
    x = 3,535.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.