Home / 2,708.09-3,739.44-1,715.12

Finding the Fourth Proportional to 2,708.09, 3,739.44 and 1,715.12

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Solution

The fourth proportional to 2,708.09, 3,739.44 and 1,715.12 is: 2,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.09 : 3,739.44 = 1,715.12 : x
  2. Step 2: Convert to fraction form
    2,708.09/3,739.44 = 1,715.12/x
  3. Step 3: Cross multiply
    2,708.09x = 3,739.44 × 1,715.12
  4. Step 4: Simplify right side
    2,708.09x = 6,413,588.33
  5. Step 5: Solve for x
    x = 6,413,588.33/2,708.09
  6. Step 6: Final answer
    x = 2,368.31

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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.