Home / 3,430.12-5,147.92-1,950.25

Finding the Fourth Proportional to 3,430.12, 5,147.92 and 1,950.25

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Solution

The fourth proportional to 3,430.12, 5,147.92 and 1,950.25 is: 2,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.12 : 5,147.92 = 1,950.25 : x
  2. Step 2: Convert to fraction form
    3,430.12/5,147.92 = 1,950.25/x
  3. Step 3: Cross multiply
    3,430.12x = 5,147.92 × 1,950.25
  4. Step 4: Simplify right side
    3,430.12x = 10,039,730.98
  5. Step 5: Solve for x
    x = 10,039,730.98/3,430.12
  6. Step 6: Final answer
    x = 2,926.93

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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.