Home / 3,554.10-5,331.71-1,214.22

Finding the Fourth Proportional to 3,554.10, 5,331.71 and 1,214.22

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Solution

The fourth proportional to 3,554.10, 5,331.71 and 1,214.22 is: 1,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.10 : 5,331.71 = 1,214.22 : x
  2. Step 2: Convert to fraction form
    3,554.10/5,331.71 = 1,214.22/x
  3. Step 3: Cross multiply
    3,554.10x = 5,331.71 × 1,214.22
  4. Step 4: Simplify right side
    3,554.10x = 6,473,862.85
  5. Step 5: Solve for x
    x = 6,473,862.85/3,554.10
  6. Step 6: Final answer
    x = 1,821.52

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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.