Home / 2,266.36-3,127.55-1,271.63

Finding the Fourth Proportional to 2,266.36, 3,127.55 and 1,271.63

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Solution

The fourth proportional to 2,266.36, 3,127.55 and 1,271.63 is: 1,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.36 : 3,127.55 = 1,271.63 : x
  2. Step 2: Convert to fraction form
    2,266.36/3,127.55 = 1,271.63/x
  3. Step 3: Cross multiply
    2,266.36x = 3,127.55 × 1,271.63
  4. Step 4: Simplify right side
    2,266.36x = 3,977,087.87
  5. Step 5: Solve for x
    x = 3,977,087.87/2,266.36
  6. Step 6: Final answer
    x = 1,754.84

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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.