Home / 3,907.20-5,392.02-2,228.52

Finding the Fourth Proportional to 3,907.20, 5,392.02 and 2,228.52

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Solution

The fourth proportional to 3,907.20, 5,392.02 and 2,228.52 is: 3,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.20 : 5,392.02 = 2,228.52 : x
  2. Step 2: Convert to fraction form
    3,907.20/5,392.02 = 2,228.52/x
  3. Step 3: Cross multiply
    3,907.20x = 5,392.02 × 2,228.52
  4. Step 4: Simplify right side
    3,907.20x = 12,016,224.41
  5. Step 5: Solve for x
    x = 12,016,224.41/3,907.20
  6. Step 6: Final answer
    x = 3,075.41

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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.