Home / 3,830.17-5,740.95-1,950.79

Finding the Fourth Proportional to 3,830.17, 5,740.95 and 1,950.79

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Solution

The fourth proportional to 3,830.17, 5,740.95 and 1,950.79 is: 2,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.17 : 5,740.95 = 1,950.79 : x
  2. Step 2: Convert to fraction form
    3,830.17/5,740.95 = 1,950.79/x
  3. Step 3: Cross multiply
    3,830.17x = 5,740.95 × 1,950.79
  4. Step 4: Simplify right side
    3,830.17x = 11,199,378.10
  5. Step 5: Solve for x
    x = 11,199,378.10/3,830.17
  6. Step 6: Final answer
    x = 2,923.99

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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.