Home / 3,490.64-5,236.44-1,025.64

Finding the Fourth Proportional to 3,490.64, 5,236.44 and 1,025.64

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Solution

The fourth proportional to 3,490.64, 5,236.44 and 1,025.64 is: 1,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.64 : 5,236.44 = 1,025.64 : x
  2. Step 2: Convert to fraction form
    3,490.64/5,236.44 = 1,025.64/x
  3. Step 3: Cross multiply
    3,490.64x = 5,236.44 × 1,025.64
  4. Step 4: Simplify right side
    3,490.64x = 5,370,702.32
  5. Step 5: Solve for x
    x = 5,370,702.32/3,490.64
  6. Step 6: Final answer
    x = 1,538.60

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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.