Home / 3,012.32-4,157.53-2,017.75

Finding the Fourth Proportional to 3,012.32, 4,157.53 and 2,017.75

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Solution

The fourth proportional to 3,012.32, 4,157.53 and 2,017.75 is: 2,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.32 : 4,157.53 = 2,017.75 : x
  2. Step 2: Convert to fraction form
    3,012.32/4,157.53 = 2,017.75/x
  3. Step 3: Cross multiply
    3,012.32x = 4,157.53 × 2,017.75
  4. Step 4: Simplify right side
    3,012.32x = 8,388,840.72
  5. Step 5: Solve for x
    x = 8,388,840.72/3,012.32
  6. Step 6: Final answer
    x = 2,784.85

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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.