Home / 3,995.13-5,513.69-2,402.30

Finding the Fourth Proportional to 3,995.13, 5,513.69 and 2,402.30

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Solution

The fourth proportional to 3,995.13, 5,513.69 and 2,402.30 is: 3,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.13 : 5,513.69 = 2,402.30 : x
  2. Step 2: Convert to fraction form
    3,995.13/5,513.69 = 2,402.30/x
  3. Step 3: Cross multiply
    3,995.13x = 5,513.69 × 2,402.30
  4. Step 4: Simplify right side
    3,995.13x = 13,245,537.49
  5. Step 5: Solve for x
    x = 13,245,537.49/3,995.13
  6. Step 6: Final answer
    x = 3,315.42

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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.