Home / 3,288.21-4,930.02-1,531.32

Finding the Fourth Proportional to 3,288.21, 4,930.02 and 1,531.32

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Solution

The fourth proportional to 3,288.21, 4,930.02 and 1,531.32 is: 2,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.21 : 4,930.02 = 1,531.32 : x
  2. Step 2: Convert to fraction form
    3,288.21/4,930.02 = 1,531.32/x
  3. Step 3: Cross multiply
    3,288.21x = 4,930.02 × 1,531.32
  4. Step 4: Simplify right side
    3,288.21x = 7,549,438.23
  5. Step 5: Solve for x
    x = 7,549,438.23/3,288.21
  6. Step 6: Final answer
    x = 2,295.91

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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.