Home / 1,715.26-2,365.32-1,525.60

Finding the Fourth Proportional to 1,715.26, 2,365.32 and 1,525.60

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Solution

The fourth proportional to 1,715.26, 2,365.32 and 1,525.60 is: 2,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.26 : 2,365.32 = 1,525.60 : x
  2. Step 2: Convert to fraction form
    1,715.26/2,365.32 = 1,525.60/x
  3. Step 3: Cross multiply
    1,715.26x = 2,365.32 × 1,525.60
  4. Step 4: Simplify right side
    1,715.26x = 3,608,540.50
  5. Step 5: Solve for x
    x = 3,608,540.50/1,715.26
  6. Step 6: Final answer
    x = 2,103.79

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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.