Home / 3,142.45-4,707.51-2,558.08

Finding the Fourth Proportional to 3,142.45, 4,707.51 and 2,558.08

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Solution

The fourth proportional to 3,142.45, 4,707.51 and 2,558.08 is: 3,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.45 : 4,707.51 = 2,558.08 : x
  2. Step 2: Convert to fraction form
    3,142.45/4,707.51 = 2,558.08/x
  3. Step 3: Cross multiply
    3,142.45x = 4,707.51 × 2,558.08
  4. Step 4: Simplify right side
    3,142.45x = 12,042,187.18
  5. Step 5: Solve for x
    x = 12,042,187.18/3,142.45
  6. Step 6: Final answer
    x = 3,832.10

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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.