Home / 3,050.88-4,209.93-1,724.69

Finding the Fourth Proportional to 3,050.88, 4,209.93 and 1,724.69

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Solution

The fourth proportional to 3,050.88, 4,209.93 and 1,724.69 is: 2,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.88 : 4,209.93 = 1,724.69 : x
  2. Step 2: Convert to fraction form
    3,050.88/4,209.93 = 1,724.69/x
  3. Step 3: Cross multiply
    3,050.88x = 4,209.93 × 1,724.69
  4. Step 4: Simplify right side
    3,050.88x = 7,260,803.12
  5. Step 5: Solve for x
    x = 7,260,803.12/3,050.88
  6. Step 6: Final answer
    x = 2,379.90

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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.