Home / 3,240.37-4,835.27-2,891.31

Finding the Fourth Proportional to 3,240.37, 4,835.27 and 2,891.31

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Solution

The fourth proportional to 3,240.37, 4,835.27 and 2,891.31 is: 4,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.37 : 4,835.27 = 2,891.31 : x
  2. Step 2: Convert to fraction form
    3,240.37/4,835.27 = 2,891.31/x
  3. Step 3: Cross multiply
    3,240.37x = 4,835.27 × 2,891.31
  4. Step 4: Simplify right side
    3,240.37x = 13,980,253.60
  5. Step 5: Solve for x
    x = 13,980,253.60/3,240.37
  6. Step 6: Final answer
    x = 4,314.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.