Home / 2,945.61-4,421.25-1,485.99

Finding the Fourth Proportional to 2,945.61, 4,421.25 and 1,485.99

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Solution

The fourth proportional to 2,945.61, 4,421.25 and 1,485.99 is: 2,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.61 : 4,421.25 = 1,485.99 : x
  2. Step 2: Convert to fraction form
    2,945.61/4,421.25 = 1,485.99/x
  3. Step 3: Cross multiply
    2,945.61x = 4,421.25 × 1,485.99
  4. Step 4: Simplify right side
    2,945.61x = 6,569,933.29
  5. Step 5: Solve for x
    x = 6,569,933.29/2,945.61
  6. Step 6: Final answer
    x = 2,230.42

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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.