Home / 2,975.45-4,461.91-1,219.24

Finding the Fourth Proportional to 2,975.45, 4,461.91 and 1,219.24

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Solution

The fourth proportional to 2,975.45, 4,461.91 and 1,219.24 is: 1,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.45 : 4,461.91 = 1,219.24 : x
  2. Step 2: Convert to fraction form
    2,975.45/4,461.91 = 1,219.24/x
  3. Step 3: Cross multiply
    2,975.45x = 4,461.91 × 1,219.24
  4. Step 4: Simplify right side
    2,975.45x = 5,440,139.15
  5. Step 5: Solve for x
    x = 5,440,139.15/2,975.45
  6. Step 6: Final answer
    x = 1,828.34

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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.