Home / 2,525.36-3,485.13-1,406.33

Finding the Fourth Proportional to 2,525.36, 3,485.13 and 1,406.33

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Solution

The fourth proportional to 2,525.36, 3,485.13 and 1,406.33 is: 1,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.36 : 3,485.13 = 1,406.33 : x
  2. Step 2: Convert to fraction form
    2,525.36/3,485.13 = 1,406.33/x
  3. Step 3: Cross multiply
    2,525.36x = 3,485.13 × 1,406.33
  4. Step 4: Simplify right side
    2,525.36x = 4,901,233.24
  5. Step 5: Solve for x
    x = 4,901,233.24/2,525.36
  6. Step 6: Final answer
    x = 1,940.81

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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.