Home / 3,005.42-4,509.09-1,251.27

Finding the Fourth Proportional to 3,005.42, 4,509.09 and 1,251.27

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Solution

The fourth proportional to 3,005.42, 4,509.09 and 1,251.27 is: 1,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.42 : 4,509.09 = 1,251.27 : x
  2. Step 2: Convert to fraction form
    3,005.42/4,509.09 = 1,251.27/x
  3. Step 3: Cross multiply
    3,005.42x = 4,509.09 × 1,251.27
  4. Step 4: Simplify right side
    3,005.42x = 5,642,089.04
  5. Step 5: Solve for x
    x = 5,642,089.04/3,005.42
  6. Step 6: Final answer
    x = 1,877.31

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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.