Home / 1,625.66-2,438.41-1,303.09

Finding the Fourth Proportional to 1,625.66, 2,438.41 and 1,303.09

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Solution

The fourth proportional to 1,625.66, 2,438.41 and 1,303.09 is: 1,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.66 : 2,438.41 = 1,303.09 : x
  2. Step 2: Convert to fraction form
    1,625.66/2,438.41 = 1,303.09/x
  3. Step 3: Cross multiply
    1,625.66x = 2,438.41 × 1,303.09
  4. Step 4: Simplify right side
    1,625.66x = 3,177,467.69
  5. Step 5: Solve for x
    x = 3,177,467.69/1,625.66
  6. Step 6: Final answer
    x = 1,954.57

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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.