Home / 3,213.35-4,819.43-1,457.93

Finding the Fourth Proportional to 3,213.35, 4,819.43 and 1,457.93

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Solution

The fourth proportional to 3,213.35, 4,819.43 and 1,457.93 is: 2,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.35 : 4,819.43 = 1,457.93 : x
  2. Step 2: Convert to fraction form
    3,213.35/4,819.43 = 1,457.93/x
  3. Step 3: Cross multiply
    3,213.35x = 4,819.43 × 1,457.93
  4. Step 4: Simplify right side
    3,213.35x = 7,026,386.41
  5. Step 5: Solve for x
    x = 7,026,386.41/3,213.35
  6. Step 6: Final answer
    x = 2,186.63

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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.