Home / 3,526.25-5,283.88-1,333.78

Finding the Fourth Proportional to 3,526.25, 5,283.88 and 1,333.78

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Solution

The fourth proportional to 3,526.25, 5,283.88 and 1,333.78 is: 1,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.25 : 5,283.88 = 1,333.78 : x
  2. Step 2: Convert to fraction form
    3,526.25/5,283.88 = 1,333.78/x
  3. Step 3: Cross multiply
    3,526.25x = 5,283.88 × 1,333.78
  4. Step 4: Simplify right side
    3,526.25x = 7,047,533.47
  5. Step 5: Solve for x
    x = 7,047,533.47/3,526.25
  6. Step 6: Final answer
    x = 1,998.59

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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.