Home / 3,170.15-4,749.17-1,779.27

Finding the Fourth Proportional to 3,170.15, 4,749.17 and 1,779.27

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Solution

The fourth proportional to 3,170.15, 4,749.17 and 1,779.27 is: 2,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.15 : 4,749.17 = 1,779.27 : x
  2. Step 2: Convert to fraction form
    3,170.15/4,749.17 = 1,779.27/x
  3. Step 3: Cross multiply
    3,170.15x = 4,749.17 × 1,779.27
  4. Step 4: Simplify right side
    3,170.15x = 8,450,055.71
  5. Step 5: Solve for x
    x = 8,450,055.71/3,170.15
  6. Step 6: Final answer
    x = 2,665.51

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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.