Home / 3,020.85-4,551.86-2,485.04

Finding the Fourth Proportional to 3,020.85, 4,551.86 and 2,485.04

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Solution

The fourth proportional to 3,020.85, 4,551.86 and 2,485.04 is: 3,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.85 : 4,551.86 = 2,485.04 : x
  2. Step 2: Convert to fraction form
    3,020.85/4,551.86 = 2,485.04/x
  3. Step 3: Cross multiply
    3,020.85x = 4,551.86 × 2,485.04
  4. Step 4: Simplify right side
    3,020.85x = 11,311,537.63
  5. Step 5: Solve for x
    x = 11,311,537.63/3,020.85
  6. Step 6: Final answer
    x = 3,744.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.