Home / 2,941.93-4,059.34-2,157.85

Finding the Fourth Proportional to 2,941.93, 4,059.34 and 2,157.85

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Solution

The fourth proportional to 2,941.93, 4,059.34 and 2,157.85 is: 2,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.93 : 4,059.34 = 2,157.85 : x
  2. Step 2: Convert to fraction form
    2,941.93/4,059.34 = 2,157.85/x
  3. Step 3: Cross multiply
    2,941.93x = 4,059.34 × 2,157.85
  4. Step 4: Simplify right side
    2,941.93x = 8,759,446.82
  5. Step 5: Solve for x
    x = 8,759,446.82/2,941.93
  6. Step 6: Final answer
    x = 2,977.45

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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.