Home / 2,186.12-3,020.37-1,525.92

Finding the Fourth Proportional to 2,186.12, 3,020.37 and 1,525.92

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Solution

The fourth proportional to 2,186.12, 3,020.37 and 1,525.92 is: 2,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.12 : 3,020.37 = 1,525.92 : x
  2. Step 2: Convert to fraction form
    2,186.12/3,020.37 = 1,525.92/x
  3. Step 3: Cross multiply
    2,186.12x = 3,020.37 × 1,525.92
  4. Step 4: Simplify right side
    2,186.12x = 4,608,851.51
  5. Step 5: Solve for x
    x = 4,608,851.51/2,186.12
  6. Step 6: Final answer
    x = 2,108.23

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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.