Home / 3,722.53-5,585.09-2,478.12

Finding the Fourth Proportional to 3,722.53, 5,585.09 and 2,478.12

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Solution

The fourth proportional to 3,722.53, 5,585.09 and 2,478.12 is: 3,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.53 : 5,585.09 = 2,478.12 : x
  2. Step 2: Convert to fraction form
    3,722.53/5,585.09 = 2,478.12/x
  3. Step 3: Cross multiply
    3,722.53x = 5,585.09 × 2,478.12
  4. Step 4: Simplify right side
    3,722.53x = 13,840,523.23
  5. Step 5: Solve for x
    x = 13,840,523.23/3,722.53
  6. Step 6: Final answer
    x = 3,718.04

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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.