Home / 2,746.42-4,120.55-1,825.60

Finding the Fourth Proportional to 2,746.42, 4,120.55 and 1,825.60

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Solution

The fourth proportional to 2,746.42, 4,120.55 and 1,825.60 is: 2,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.42 : 4,120.55 = 1,825.60 : x
  2. Step 2: Convert to fraction form
    2,746.42/4,120.55 = 1,825.60/x
  3. Step 3: Cross multiply
    2,746.42x = 4,120.55 × 1,825.60
  4. Step 4: Simplify right side
    2,746.42x = 7,522,466.95
  5. Step 5: Solve for x
    x = 7,522,466.95/2,746.42
  6. Step 6: Final answer
    x = 2,739.01

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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.