Home / 2,809.16-4,213.78-1,349.34

Finding the Fourth Proportional to 2,809.16, 4,213.78 and 1,349.34

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Solution

The fourth proportional to 2,809.16, 4,213.78 and 1,349.34 is: 2,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.16 : 4,213.78 = 1,349.34 : x
  2. Step 2: Convert to fraction form
    2,809.16/4,213.78 = 1,349.34/x
  3. Step 3: Cross multiply
    2,809.16x = 4,213.78 × 1,349.34
  4. Step 4: Simplify right side
    2,809.16x = 5,685,834.02
  5. Step 5: Solve for x
    x = 5,685,834.02/2,809.16
  6. Step 6: Final answer
    x = 2,024.03

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1.5x scale

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.