Home / 3,728.25-5,581.04-2,485.71

Finding the Fourth Proportional to 3,728.25, 5,581.04 and 2,485.71

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Solution

The fourth proportional to 3,728.25, 5,581.04 and 2,485.71 is: 3,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.25 : 5,581.04 = 2,485.71 : x
  2. Step 2: Convert to fraction form
    3,728.25/5,581.04 = 2,485.71/x
  3. Step 3: Cross multiply
    3,728.25x = 5,581.04 × 2,485.71
  4. Step 4: Simplify right side
    3,728.25x = 13,872,834.51
  5. Step 5: Solve for x
    x = 13,872,834.51/3,728.25
  6. Step 6: Final answer
    x = 3,721.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.