Home / 3,736.13-5,605.40-1,139.06

Finding the Fourth Proportional to 3,736.13, 5,605.40 and 1,139.06

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Solution

The fourth proportional to 3,736.13, 5,605.40 and 1,139.06 is: 1,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.13 : 5,605.40 = 1,139.06 : x
  2. Step 2: Convert to fraction form
    3,736.13/5,605.40 = 1,139.06/x
  3. Step 3: Cross multiply
    3,736.13x = 5,605.40 × 1,139.06
  4. Step 4: Simplify right side
    3,736.13x = 6,384,903.79
  5. Step 5: Solve for x
    x = 6,384,903.79/3,736.13
  6. Step 6: Final answer
    x = 1,708.96

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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.