Home / 2,213.04-3,054.03-1,218.33

Finding the Fourth Proportional to 2,213.04, 3,054.03 and 1,218.33

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Solution

The fourth proportional to 2,213.04, 3,054.03 and 1,218.33 is: 1,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.04 : 3,054.03 = 1,218.33 : x
  2. Step 2: Convert to fraction form
    2,213.04/3,054.03 = 1,218.33/x
  3. Step 3: Cross multiply
    2,213.04x = 3,054.03 × 1,218.33
  4. Step 4: Simplify right side
    2,213.04x = 3,720,816.37
  5. Step 5: Solve for x
    x = 3,720,816.37/2,213.04
  6. Step 6: Final answer
    x = 1,681.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.