Home / 3,807.46-5,707.09-2,490.72

Finding the Fourth Proportional to 3,807.46, 5,707.09 and 2,490.72

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Solution

The fourth proportional to 3,807.46, 5,707.09 and 2,490.72 is: 3,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.46 : 5,707.09 = 2,490.72 : x
  2. Step 2: Convert to fraction form
    3,807.46/5,707.09 = 2,490.72/x
  3. Step 3: Cross multiply
    3,807.46x = 5,707.09 × 2,490.72
  4. Step 4: Simplify right side
    3,807.46x = 14,214,763.20
  5. Step 5: Solve for x
    x = 14,214,763.20/3,807.46
  6. Step 6: Final answer
    x = 3,733.40

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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.