Home / 3,318.31-4,977.06-1,370.26

Finding the Fourth Proportional to 3,318.31, 4,977.06 and 1,370.26

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Solution

The fourth proportional to 3,318.31, 4,977.06 and 1,370.26 is: 2,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.31 : 4,977.06 = 1,370.26 : x
  2. Step 2: Convert to fraction form
    3,318.31/4,977.06 = 1,370.26/x
  3. Step 3: Cross multiply
    3,318.31x = 4,977.06 × 1,370.26
  4. Step 4: Simplify right side
    3,318.31x = 6,819,866.24
  5. Step 5: Solve for x
    x = 6,819,866.24/3,318.31
  6. Step 6: Final answer
    x = 2,055.22

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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.