Home / 3,936.13-5,430.15-2,363.32

Finding the Fourth Proportional to 3,936.13, 5,430.15 and 2,363.32

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Solution

The fourth proportional to 3,936.13, 5,430.15 and 2,363.32 is: 3,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.13 : 5,430.15 = 2,363.32 : x
  2. Step 2: Convert to fraction form
    3,936.13/5,430.15 = 2,363.32/x
  3. Step 3: Cross multiply
    3,936.13x = 5,430.15 × 2,363.32
  4. Step 4: Simplify right side
    3,936.13x = 12,833,182.10
  5. Step 5: Solve for x
    x = 12,833,182.10/3,936.13
  6. Step 6: Final answer
    x = 3,260.36

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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.