Home / 3,020.77-4,168.08-1,825.51

Finding the Fourth Proportional to 3,020.77, 4,168.08 and 1,825.51

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Solution

The fourth proportional to 3,020.77, 4,168.08 and 1,825.51 is: 2,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.77 : 4,168.08 = 1,825.51 : x
  2. Step 2: Convert to fraction form
    3,020.77/4,168.08 = 1,825.51/x
  3. Step 3: Cross multiply
    3,020.77x = 4,168.08 × 1,825.51
  4. Step 4: Simplify right side
    3,020.77x = 7,608,871.72
  5. Step 5: Solve for x
    x = 7,608,871.72/3,020.77
  6. Step 6: Final answer
    x = 2,518.85

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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.