Home / 3,736.12-5,605.26-1,139.26

Finding the Fourth Proportional to 3,736.12, 5,605.26 and 1,139.26

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Solution

The fourth proportional to 3,736.12, 5,605.26 and 1,139.26 is: 1,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.12 : 5,605.26 = 1,139.26 : x
  2. Step 2: Convert to fraction form
    3,736.12/5,605.26 = 1,139.26/x
  3. Step 3: Cross multiply
    3,736.12x = 5,605.26 × 1,139.26
  4. Step 4: Simplify right side
    3,736.12x = 6,385,848.51
  5. Step 5: Solve for x
    x = 6,385,848.51/3,736.12
  6. Step 6: Final answer
    x = 1,709.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.