Home / 3,554.04-5,331.42-1,214.28

Finding the Fourth Proportional to 3,554.04, 5,331.42 and 1,214.28

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Solution

The fourth proportional to 3,554.04, 5,331.42 and 1,214.28 is: 1,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.04 : 5,331.42 = 1,214.28 : x
  2. Step 2: Convert to fraction form
    3,554.04/5,331.42 = 1,214.28/x
  3. Step 3: Cross multiply
    3,554.04x = 5,331.42 × 1,214.28
  4. Step 4: Simplify right side
    3,554.04x = 6,473,836.68
  5. Step 5: Solve for x
    x = 6,473,836.68/3,554.04
  6. Step 6: Final answer
    x = 1,821.54

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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.