Home / 2,271.86-3,135.12-1,277

Finding the Fourth Proportional to 2,271.86, 3,135.12 and 1,277

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Solution

The fourth proportional to 2,271.86, 3,135.12 and 1,277 is: 1,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.86 : 3,135.12 = 1,277 : x
  2. Step 2: Convert to fraction form
    2,271.86/3,135.12 = 1,277/x
  3. Step 3: Cross multiply
    2,271.86x = 3,135.12 × 1,277
  4. Step 4: Simplify right side
    2,271.86x = 4,003,548.24
  5. Step 5: Solve for x
    x = 4,003,548.24/2,271.86
  6. Step 6: Final answer
    x = 1,762.23

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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.