Home / 3,390.28-5,075.10-3,094.36

Finding the Fourth Proportional to 3,390.28, 5,075.10 and 3,094.36

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Solution

The fourth proportional to 3,390.28, 5,075.10 and 3,094.36 is: 4,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.28 : 5,075.10 = 3,094.36 : x
  2. Step 2: Convert to fraction form
    3,390.28/5,075.10 = 3,094.36/x
  3. Step 3: Cross multiply
    3,390.28x = 5,075.10 × 3,094.36
  4. Step 4: Simplify right side
    3,390.28x = 15,704,186.44
  5. Step 5: Solve for x
    x = 15,704,186.44/3,390.28
  6. Step 6: Final answer
    x = 4,632.12

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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.