Home / 3,271.20-4,897.56-3,012.86

Finding the Fourth Proportional to 3,271.20, 4,897.56 and 3,012.86

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Solution

The fourth proportional to 3,271.20, 4,897.56 and 3,012.86 is: 4,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.20 : 4,897.56 = 3,012.86 : x
  2. Step 2: Convert to fraction form
    3,271.20/4,897.56 = 3,012.86/x
  3. Step 3: Cross multiply
    3,271.20x = 4,897.56 × 3,012.86
  4. Step 4: Simplify right side
    3,271.20x = 14,755,638.13
  5. Step 5: Solve for x
    x = 14,755,638.13/3,271.20
  6. Step 6: Final answer
    x = 4,510.77

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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.