Home / 2,271.68-3,135.10-1,277

Finding the Fourth Proportional to 2,271.68, 3,135.10 and 1,277

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Solution

The fourth proportional to 2,271.68, 3,135.10 and 1,277 is: 1,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.68 : 3,135.10 = 1,277 : x
  2. Step 2: Convert to fraction form
    2,271.68/3,135.10 = 1,277/x
  3. Step 3: Cross multiply
    2,271.68x = 3,135.10 × 1,277
  4. Step 4: Simplify right side
    2,271.68x = 4,003,522.70
  5. Step 5: Solve for x
    x = 4,003,522.70/2,271.68
  6. Step 6: Final answer
    x = 1,762.36

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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.