Home / 3,271.61-4,514.76-1,779.50

Finding the Fourth Proportional to 3,271.61, 4,514.76 and 1,779.50

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Solution

The fourth proportional to 3,271.61, 4,514.76 and 1,779.50 is: 2,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.61 : 4,514.76 = 1,779.50 : x
  2. Step 2: Convert to fraction form
    3,271.61/4,514.76 = 1,779.50/x
  3. Step 3: Cross multiply
    3,271.61x = 4,514.76 × 1,779.50
  4. Step 4: Simplify right side
    3,271.61x = 8,034,015.42
  5. Step 5: Solve for x
    x = 8,034,015.42/3,271.61
  6. Step 6: Final answer
    x = 2,455.68

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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.