Home / 2,989.45-4,480.07-1,525.52

Finding the Fourth Proportional to 2,989.45, 4,480.07 and 1,525.52

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Solution

The fourth proportional to 2,989.45, 4,480.07 and 1,525.52 is: 2,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.45 : 4,480.07 = 1,525.52 : x
  2. Step 2: Convert to fraction form
    2,989.45/4,480.07 = 1,525.52/x
  3. Step 3: Cross multiply
    2,989.45x = 4,480.07 × 1,525.52
  4. Step 4: Simplify right side
    2,989.45x = 6,834,428.76
  5. Step 5: Solve for x
    x = 6,834,428.76/2,989.45
  6. Step 6: Final answer
    x = 2,286.19

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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.