Home / 3,285.27-4,533.84-1,887.75

Finding the Fourth Proportional to 3,285.27, 4,533.84 and 1,887.75

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Solution

The fourth proportional to 3,285.27, 4,533.84 and 1,887.75 is: 2,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.27 : 4,533.84 = 1,887.75 : x
  2. Step 2: Convert to fraction form
    3,285.27/4,533.84 = 1,887.75/x
  3. Step 3: Cross multiply
    3,285.27x = 4,533.84 × 1,887.75
  4. Step 4: Simplify right side
    3,285.27x = 8,558,756.46
  5. Step 5: Solve for x
    x = 8,558,756.46/3,285.27
  6. Step 6: Final answer
    x = 2,605.19

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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.