Home / 3,050.85-4,210.12-1,724.98

Finding the Fourth Proportional to 3,050.85, 4,210.12 and 1,724.98

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Solution

The fourth proportional to 3,050.85, 4,210.12 and 1,724.98 is: 2,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.85 : 4,210.12 = 1,724.98 : x
  2. Step 2: Convert to fraction form
    3,050.85/4,210.12 = 1,724.98/x
  3. Step 3: Cross multiply
    3,050.85x = 4,210.12 × 1,724.98
  4. Step 4: Simplify right side
    3,050.85x = 7,262,372.80
  5. Step 5: Solve for x
    x = 7,262,372.80/3,050.85
  6. Step 6: Final answer
    x = 2,380.44

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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.