Home / 3,399.56-4,691.47-1,907.58

Finding the Fourth Proportional to 3,399.56, 4,691.47 and 1,907.58

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Solution

The fourth proportional to 3,399.56, 4,691.47 and 1,907.58 is: 2,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.56 : 4,691.47 = 1,907.58 : x
  2. Step 2: Convert to fraction form
    3,399.56/4,691.47 = 1,907.58/x
  3. Step 3: Cross multiply
    3,399.56x = 4,691.47 × 1,907.58
  4. Step 4: Simplify right side
    3,399.56x = 8,949,354.34
  5. Step 5: Solve for x
    x = 8,949,354.34/3,399.56
  6. Step 6: Final answer
    x = 2,632.50

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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.