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Finding the Fourth Proportional to 2,708.86, 3,736.23 and 1,713.18

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Solution

The fourth proportional to 2,708.86, 3,736.23 and 1,713.18 is: 2,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.86 : 3,736.23 = 1,713.18 : x
  2. Step 2: Convert to fraction form
    2,708.86/3,736.23 = 1,713.18/x
  3. Step 3: Cross multiply
    2,708.86x = 3,736.23 × 1,713.18
  4. Step 4: Simplify right side
    2,708.86x = 6,400,834.51
  5. Step 5: Solve for x
    x = 6,400,834.51/2,708.86
  6. Step 6: Final answer
    x = 2,362.93

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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.