Home / 2,840.80-4,261.62-1,454.92

Finding the Fourth Proportional to 2,840.80, 4,261.62 and 1,454.92

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Solution

The fourth proportional to 2,840.80, 4,261.62 and 1,454.92 is: 2,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.80 : 4,261.62 = 1,454.92 : x
  2. Step 2: Convert to fraction form
    2,840.80/4,261.62 = 1,454.92/x
  3. Step 3: Cross multiply
    2,840.80x = 4,261.62 × 1,454.92
  4. Step 4: Simplify right side
    2,840.80x = 6,200,316.17
  5. Step 5: Solve for x
    x = 6,200,316.17/2,840.80
  6. Step 6: Final answer
    x = 2,182.60

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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.