Home / 3,008.94-4,512.57-929.10

Finding the Fourth Proportional to 3,008.94, 4,512.57 and 929.10

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Solution

The fourth proportional to 3,008.94, 4,512.57 and 929.10 is: 1,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.94 : 4,512.57 = 929.10 : x
  2. Step 2: Convert to fraction form
    3,008.94/4,512.57 = 929.10/x
  3. Step 3: Cross multiply
    3,008.94x = 4,512.57 × 929.10
  4. Step 4: Simplify right side
    3,008.94x = 4,192,628.79
  5. Step 5: Solve for x
    x = 4,192,628.79/3,008.94
  6. Step 6: Final answer
    x = 1,393.39

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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.