Home / 3,050.70-4,209.90-1,724.46

Finding the Fourth Proportional to 3,050.70, 4,209.90 and 1,724.46

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Solution

The fourth proportional to 3,050.70, 4,209.90 and 1,724.46 is: 2,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.70 : 4,209.90 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    3,050.70/4,209.90 = 1,724.46/x
  3. Step 3: Cross multiply
    3,050.70x = 4,209.90 × 1,724.46
  4. Step 4: Simplify right side
    3,050.70x = 7,259,804.15
  5. Step 5: Solve for x
    x = 7,259,804.15/3,050.70
  6. Step 6: Final answer
    x = 2,379.72

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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.