Home / 3,069.99-4,603.13-1,381.08

Finding the Fourth Proportional to 3,069.99, 4,603.13 and 1,381.08

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Solution

The fourth proportional to 3,069.99, 4,603.13 and 1,381.08 is: 2,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.99 : 4,603.13 = 1,381.08 : x
  2. Step 2: Convert to fraction form
    3,069.99/4,603.13 = 1,381.08/x
  3. Step 3: Cross multiply
    3,069.99x = 4,603.13 × 1,381.08
  4. Step 4: Simplify right side
    3,069.99x = 6,357,283.88
  5. Step 5: Solve for x
    x = 6,357,283.88/3,069.99
  6. Step 6: Final answer
    x = 2,070.78

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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.