Home / 3,271.12-4,513.96-1,779.02

Finding the Fourth Proportional to 3,271.12, 4,513.96 and 1,779.02

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Solution

The fourth proportional to 3,271.12, 4,513.96 and 1,779.02 is: 2,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.12 : 4,513.96 = 1,779.02 : x
  2. Step 2: Convert to fraction form
    3,271.12/4,513.96 = 1,779.02/x
  3. Step 3: Cross multiply
    3,271.12x = 4,513.96 × 1,779.02
  4. Step 4: Simplify right side
    3,271.12x = 8,030,425.12
  5. Step 5: Solve for x
    x = 8,030,425.12/3,271.12
  6. Step 6: Final answer
    x = 2,454.95

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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.