Home / 3,050.67-4,209.69-1,724.50

Finding the Fourth Proportional to 3,050.67, 4,209.69 and 1,724.50

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Solution

The fourth proportional to 3,050.67, 4,209.69 and 1,724.50 is: 2,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.67 : 4,209.69 = 1,724.50 : x
  2. Step 2: Convert to fraction form
    3,050.67/4,209.69 = 1,724.50/x
  3. Step 3: Cross multiply
    3,050.67x = 4,209.69 × 1,724.50
  4. Step 4: Simplify right side
    3,050.67x = 7,259,610.41
  5. Step 5: Solve for x
    x = 7,259,610.41/3,050.67
  6. Step 6: Final answer
    x = 2,379.68

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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.