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Finding the Fourth Proportional to 2,525.26, 3,787.86 and 651.14

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Solution

The fourth proportional to 2,525.26, 3,787.86 and 651.14 is: 976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.26 : 3,787.86 = 651.14 : x
  2. Step 2: Convert to fraction form
    2,525.26/3,787.86 = 651.14/x
  3. Step 3: Cross multiply
    2,525.26x = 3,787.86 × 651.14
  4. Step 4: Simplify right side
    2,525.26x = 2,466,427.16
  5. Step 5: Solve for x
    x = 2,466,427.16/2,525.26
  6. Step 6: Final answer
    x = 976.70

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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.