Home / 2,280.12-3,146.46-1,335.93

Finding the Fourth Proportional to 2,280.12, 3,146.46 and 1,335.93

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Solution

The fourth proportional to 2,280.12, 3,146.46 and 1,335.93 is: 1,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.12 : 3,146.46 = 1,335.93 : x
  2. Step 2: Convert to fraction form
    2,280.12/3,146.46 = 1,335.93/x
  3. Step 3: Cross multiply
    2,280.12x = 3,146.46 × 1,335.93
  4. Step 4: Simplify right side
    2,280.12x = 4,203,450.31
  5. Step 5: Solve for x
    x = 4,203,450.31/2,280.12
  6. Step 6: Final answer
    x = 1,843.52

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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.