Home / 3,285.28-4,533.76-1,888

Finding the Fourth Proportional to 3,285.28, 4,533.76 and 1,888

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Solution

The fourth proportional to 3,285.28, 4,533.76 and 1,888 is: 2,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.28 : 4,533.76 = 1,888 : x
  2. Step 2: Convert to fraction form
    3,285.28/4,533.76 = 1,888/x
  3. Step 3: Cross multiply
    3,285.28x = 4,533.76 × 1,888
  4. Step 4: Simplify right side
    3,285.28x = 8,559,738.88
  5. Step 5: Solve for x
    x = 8,559,738.88/3,285.28
  6. Step 6: Final answer
    x = 2,605.48

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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.