Home / 3,907.24-5,392.14-2,228.92

Finding the Fourth Proportional to 3,907.24, 5,392.14 and 2,228.92

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Solution

The fourth proportional to 3,907.24, 5,392.14 and 2,228.92 is: 3,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.24 : 5,392.14 = 2,228.92 : x
  2. Step 2: Convert to fraction form
    3,907.24/5,392.14 = 2,228.92/x
  3. Step 3: Cross multiply
    3,907.24x = 5,392.14 × 2,228.92
  4. Step 4: Simplify right side
    3,907.24x = 12,018,648.69
  5. Step 5: Solve for x
    x = 12,018,648.69/3,907.24
  6. Step 6: Final answer
    x = 3,075.99

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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.