Home / 3,555.09-5,331.42-1,333.53

Finding the Fourth Proportional to 3,555.09, 5,331.42 and 1,333.53

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Solution

The fourth proportional to 3,555.09, 5,331.42 and 1,333.53 is: 1,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.09 : 5,331.42 = 1,333.53 : x
  2. Step 2: Convert to fraction form
    3,555.09/5,331.42 = 1,333.53/x
  3. Step 3: Cross multiply
    3,555.09x = 5,331.42 × 1,333.53
  4. Step 4: Simplify right side
    3,555.09x = 7,109,608.51
  5. Step 5: Solve for x
    x = 7,109,608.51/3,555.09
  6. Step 6: Final answer
    x = 1,999.84

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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.