Home / 1,644.87-2,261.55-1,466.16

Finding the Fourth Proportional to 1,644.87, 2,261.55 and 1,466.16

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Solution

The fourth proportional to 1,644.87, 2,261.55 and 1,466.16 is: 2,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.87 : 2,261.55 = 1,466.16 : x
  2. Step 2: Convert to fraction form
    1,644.87/2,261.55 = 1,466.16/x
  3. Step 3: Cross multiply
    1,644.87x = 2,261.55 × 1,466.16
  4. Step 4: Simplify right side
    1,644.87x = 3,315,794.15
  5. Step 5: Solve for x
    x = 3,315,794.15/1,644.87
  6. Step 6: Final answer
    x = 2,015.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.