Home / 3,007.21-4,509.19-926.59

Finding the Fourth Proportional to 3,007.21, 4,509.19 and 926.59

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Solution

The fourth proportional to 3,007.21, 4,509.19 and 926.59 is: 1,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.21 : 4,509.19 = 926.59 : x
  2. Step 2: Convert to fraction form
    3,007.21/4,509.19 = 926.59/x
  3. Step 3: Cross multiply
    3,007.21x = 4,509.19 × 926.59
  4. Step 4: Simplify right side
    3,007.21x = 4,178,170.36
  5. Step 5: Solve for x
    x = 4,178,170.36/3,007.21
  6. Step 6: Final answer
    x = 1,389.38

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1.5x scale

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.