Home / 2,970.24-4,451.50-1,213.19

Finding the Fourth Proportional to 2,970.24, 4,451.50 and 1,213.19

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Solution

The fourth proportional to 2,970.24, 4,451.50 and 1,213.19 is: 1,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.24 : 4,451.50 = 1,213.19 : x
  2. Step 2: Convert to fraction form
    2,970.24/4,451.50 = 1,213.19/x
  3. Step 3: Cross multiply
    2,970.24x = 4,451.50 × 1,213.19
  4. Step 4: Simplify right side
    2,970.24x = 5,400,515.29
  5. Step 5: Solve for x
    x = 5,400,515.29/2,970.24
  6. Step 6: Final answer
    x = 1,818.21

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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.