Home / 3,059.57-4,190.58-2,880.05

Finding the Fourth Proportional to 3,059.57, 4,190.58 and 2,880.05

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Solution

The fourth proportional to 3,059.57, 4,190.58 and 2,880.05 is: 3,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.57 : 4,190.58 = 2,880.05 : x
  2. Step 2: Convert to fraction form
    3,059.57/4,190.58 = 2,880.05/x
  3. Step 3: Cross multiply
    3,059.57x = 4,190.58 × 2,880.05
  4. Step 4: Simplify right side
    3,059.57x = 12,069,058.98
  5. Step 5: Solve for x
    x = 12,069,058.98/3,059.57
  6. Step 6: Final answer
    x = 3,944.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.