Home / 3,893.70-5,373.27-2,401.02

Finding the Fourth Proportional to 3,893.70, 5,373.27 and 2,401.02

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Solution

The fourth proportional to 3,893.70, 5,373.27 and 2,401.02 is: 3,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.70 : 5,373.27 = 2,401.02 : x
  2. Step 2: Convert to fraction form
    3,893.70/5,373.27 = 2,401.02/x
  3. Step 3: Cross multiply
    3,893.70x = 5,373.27 × 2,401.02
  4. Step 4: Simplify right side
    3,893.70x = 12,901,328.74
  5. Step 5: Solve for x
    x = 12,901,328.74/3,893.70
  6. Step 6: Final answer
    x = 3,313.39

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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.