Home / 3,643.23-5,465.40-1,451.85

Finding the Fourth Proportional to 3,643.23, 5,465.40 and 1,451.85

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Solution

The fourth proportional to 3,643.23, 5,465.40 and 1,451.85 is: 2,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.23 : 5,465.40 = 1,451.85 : x
  2. Step 2: Convert to fraction form
    3,643.23/5,465.40 = 1,451.85/x
  3. Step 3: Cross multiply
    3,643.23x = 5,465.40 × 1,451.85
  4. Step 4: Simplify right side
    3,643.23x = 7,934,940.99
  5. Step 5: Solve for x
    x = 7,934,940.99/3,643.23
  6. Step 6: Final answer
    x = 2,178.00

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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.