Home / 3,551.32-5,321.58-2,439.28

Finding the Fourth Proportional to 3,551.32, 5,321.58 and 2,439.28

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Solution

The fourth proportional to 3,551.32, 5,321.58 and 2,439.28 is: 3,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.32 : 5,321.58 = 2,439.28 : x
  2. Step 2: Convert to fraction form
    3,551.32/5,321.58 = 2,439.28/x
  3. Step 3: Cross multiply
    3,551.32x = 5,321.58 × 2,439.28
  4. Step 4: Simplify right side
    3,551.32x = 12,980,823.66
  5. Step 5: Solve for x
    x = 12,980,823.66/3,551.32
  6. Step 6: Final answer
    x = 3,655.21

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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.