Home / 2,807.31-4,207.37-2,055.87

Finding the Fourth Proportional to 2,807.31, 4,207.37 and 2,055.87

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Solution

The fourth proportional to 2,807.31, 4,207.37 and 2,055.87 is: 3,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.31 : 4,207.37 = 2,055.87 : x
  2. Step 2: Convert to fraction form
    2,807.31/4,207.37 = 2,055.87/x
  3. Step 3: Cross multiply
    2,807.31x = 4,207.37 × 2,055.87
  4. Step 4: Simplify right side
    2,807.31x = 8,649,795.48
  5. Step 5: Solve for x
    x = 8,649,795.48/2,807.31
  6. Step 6: Final answer
    x = 3,081.17

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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.