Home / 3,005.40-4,508.46-1,057.32

Finding the Fourth Proportional to 3,005.40, 4,508.46 and 1,057.32

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Solution

The fourth proportional to 3,005.40, 4,508.46 and 1,057.32 is: 1,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.40 : 4,508.46 = 1,057.32 : x
  2. Step 2: Convert to fraction form
    3,005.40/4,508.46 = 1,057.32/x
  3. Step 3: Cross multiply
    3,005.40x = 4,508.46 × 1,057.32
  4. Step 4: Simplify right side
    3,005.40x = 4,766,884.93
  5. Step 5: Solve for x
    x = 4,766,884.93/3,005.40
  6. Step 6: Final answer
    x = 1,586.11

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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.