Home / 3,259.36-4,890.88-2,164.32

Finding the Fourth Proportional to 3,259.36, 4,890.88 and 2,164.32

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Solution

The fourth proportional to 3,259.36, 4,890.88 and 2,164.32 is: 3,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.36 : 4,890.88 = 2,164.32 : x
  2. Step 2: Convert to fraction form
    3,259.36/4,890.88 = 2,164.32/x
  3. Step 3: Cross multiply
    3,259.36x = 4,890.88 × 2,164.32
  4. Step 4: Simplify right side
    3,259.36x = 10,585,429.40
  5. Step 5: Solve for x
    x = 10,585,429.40/3,259.36
  6. Step 6: Final answer
    x = 3,247.70

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1.5x scale

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.