Home / 2,771.91-4,154.63-1,126.26

Finding the Fourth Proportional to 2,771.91, 4,154.63 and 1,126.26

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Solution

The fourth proportional to 2,771.91, 4,154.63 and 1,126.26 is: 1,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.91 : 4,154.63 = 1,126.26 : x
  2. Step 2: Convert to fraction form
    2,771.91/4,154.63 = 1,126.26/x
  3. Step 3: Cross multiply
    2,771.91x = 4,154.63 × 1,126.26
  4. Step 4: Simplify right side
    2,771.91x = 4,679,187.95
  5. Step 5: Solve for x
    x = 4,679,187.95/2,771.91
  6. Step 6: Final answer
    x = 1,688.07

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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.