Home / 3,050.80-4,210.16-1,724.60

Finding the Fourth Proportional to 3,050.80, 4,210.16 and 1,724.60

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Solution

The fourth proportional to 3,050.80, 4,210.16 and 1,724.60 is: 2,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.80 : 4,210.16 = 1,724.60 : x
  2. Step 2: Convert to fraction form
    3,050.80/4,210.16 = 1,724.60/x
  3. Step 3: Cross multiply
    3,050.80x = 4,210.16 × 1,724.60
  4. Step 4: Simplify right side
    3,050.80x = 7,260,843.84
  5. Step 5: Solve for x
    x = 7,260,843.84/3,050.80
  6. Step 6: Final answer
    x = 2,379.98

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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.