Home / 2,861.99-4,290.06-1,937.64

Finding the Fourth Proportional to 2,861.99, 4,290.06 and 1,937.64

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Solution

The fourth proportional to 2,861.99, 4,290.06 and 1,937.64 is: 2,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.99 : 4,290.06 = 1,937.64 : x
  2. Step 2: Convert to fraction form
    2,861.99/4,290.06 = 1,937.64/x
  3. Step 3: Cross multiply
    2,861.99x = 4,290.06 × 1,937.64
  4. Step 4: Simplify right side
    2,861.99x = 8,312,591.86
  5. Step 5: Solve for x
    x = 8,312,591.86/2,861.99
  6. Step 6: Final answer
    x = 2,904.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.