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Finding the Fourth Proportional to 2,599.66, 3,900.66 and 1,625.32

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Solution

The fourth proportional to 2,599.66, 3,900.66 and 1,625.32 is: 2,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.66 : 3,900.66 = 1,625.32 : x
  2. Step 2: Convert to fraction form
    2,599.66/3,900.66 = 1,625.32/x
  3. Step 3: Cross multiply
    2,599.66x = 3,900.66 × 1,625.32
  4. Step 4: Simplify right side
    2,599.66x = 6,339,820.71
  5. Step 5: Solve for x
    x = 6,339,820.71/2,599.66
  6. Step 6: Final answer
    x = 2,438.71

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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.