Home / 2,271.53-3,133.62-1,608.75

Finding the Fourth Proportional to 2,271.53, 3,133.62 and 1,608.75

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Solution

The fourth proportional to 2,271.53, 3,133.62 and 1,608.75 is: 2,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.53 : 3,133.62 = 1,608.75 : x
  2. Step 2: Convert to fraction form
    2,271.53/3,133.62 = 1,608.75/x
  3. Step 3: Cross multiply
    2,271.53x = 3,133.62 × 1,608.75
  4. Step 4: Simplify right side
    2,271.53x = 5,041,211.18
  5. Step 5: Solve for x
    x = 5,041,211.18/2,271.53
  6. Step 6: Final answer
    x = 2,219.30

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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.