Home / 3,479.14-4,801.20-1,907.24

Finding the Fourth Proportional to 3,479.14, 4,801.20 and 1,907.24

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Solution

The fourth proportional to 3,479.14, 4,801.20 and 1,907.24 is: 2,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 4,801.20 = 1,907.24 : x
  2. Step 2: Convert to fraction form
    3,479.14/4,801.20 = 1,907.24/x
  3. Step 3: Cross multiply
    3,479.14x = 4,801.20 × 1,907.24
  4. Step 4: Simplify right side
    3,479.14x = 9,157,040.69
  5. Step 5: Solve for x
    x = 9,157,040.69/3,479.14
  6. Step 6: Final answer
    x = 2,631.99

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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.