Home / 3,383.34-5,075.00-1,275.36

Finding the Fourth Proportional to 3,383.34, 5,075.00 and 1,275.36

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Solution

The fourth proportional to 3,383.34, 5,075.00 and 1,275.36 is: 1,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.34 : 5,075.00 = 1,275.36 : x
  2. Step 2: Convert to fraction form
    3,383.34/5,075.00 = 1,275.36/x
  3. Step 3: Cross multiply
    3,383.34x = 5,075.00 × 1,275.36
  4. Step 4: Simplify right side
    3,383.34x = 6,472,445.62
  5. Step 5: Solve for x
    x = 6,472,445.62/3,383.34
  6. Step 6: Final answer
    x = 1,913.03

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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.