Home / 3,903.63-5,387.04-2,135.27

Finding the Fourth Proportional to 3,903.63, 5,387.04 and 2,135.27

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Solution

The fourth proportional to 3,903.63, 5,387.04 and 2,135.27 is: 2,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.63 : 5,387.04 = 2,135.27 : x
  2. Step 2: Convert to fraction form
    3,903.63/5,387.04 = 2,135.27/x
  3. Step 3: Cross multiply
    3,903.63x = 5,387.04 × 2,135.27
  4. Step 4: Simplify right side
    3,903.63x = 11,502,757.97
  5. Step 5: Solve for x
    x = 11,502,757.97/3,903.63
  6. Step 6: Final answer
    x = 2,946.68

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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.