Home / 3,285.60-4,535.76-2,167.26

Finding the Fourth Proportional to 3,285.60, 4,535.76 and 2,167.26

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Solution

The fourth proportional to 3,285.60, 4,535.76 and 2,167.26 is: 2,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.60 : 4,535.76 = 2,167.26 : x
  2. Step 2: Convert to fraction form
    3,285.60/4,535.76 = 2,167.26/x
  3. Step 3: Cross multiply
    3,285.60x = 4,535.76 × 2,167.26
  4. Step 4: Simplify right side
    3,285.60x = 9,830,171.22
  5. Step 5: Solve for x
    x = 9,830,171.22/3,285.60
  6. Step 6: Final answer
    x = 2,991.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.