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Finding the Fourth Proportional to 3,870.36, 5,799.36 and 2,018.76

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Solution

The fourth proportional to 3,870.36, 5,799.36 and 2,018.76 is: 3,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.36 : 5,799.36 = 2,018.76 : x
  2. Step 2: Convert to fraction form
    3,870.36/5,799.36 = 2,018.76/x
  3. Step 3: Cross multiply
    3,870.36x = 5,799.36 × 2,018.76
  4. Step 4: Simplify right side
    3,870.36x = 11,707,515.99
  5. Step 5: Solve for x
    x = 11,707,515.99/3,870.36
  6. Step 6: Final answer
    x = 3,024.92

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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.