Home / 2,779.39-4,170.72-1,025.63

Finding the Fourth Proportional to 2,779.39, 4,170.72 and 1,025.63

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Solution

The fourth proportional to 2,779.39, 4,170.72 and 1,025.63 is: 1,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.39 : 4,170.72 = 1,025.63 : x
  2. Step 2: Convert to fraction form
    2,779.39/4,170.72 = 1,025.63/x
  3. Step 3: Cross multiply
    2,779.39x = 4,170.72 × 1,025.63
  4. Step 4: Simplify right side
    2,779.39x = 4,277,615.55
  5. Step 5: Solve for x
    x = 4,277,615.55/2,779.39
  6. Step 6: Final answer
    x = 1,539.05

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1.5x scale

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.