Home / 3,894.26-5,373.90-2,402.32

Finding the Fourth Proportional to 3,894.26, 5,373.90 and 2,402.32

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Solution

The fourth proportional to 3,894.26, 5,373.90 and 2,402.32 is: 3,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.26 : 5,373.90 = 2,402.32 : x
  2. Step 2: Convert to fraction form
    3,894.26/5,373.90 = 2,402.32/x
  3. Step 3: Cross multiply
    3,894.26x = 5,373.90 × 2,402.32
  4. Step 4: Simplify right side
    3,894.26x = 12,909,827.45
  5. Step 5: Solve for x
    x = 12,909,827.45/3,894.26
  6. Step 6: Final answer
    x = 3,315.09

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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.