Home / 3,300.51-4,554.93-2,121.36

Finding the Fourth Proportional to 3,300.51, 4,554.93 and 2,121.36

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Solution

The fourth proportional to 3,300.51, 4,554.93 and 2,121.36 is: 2,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.51 : 4,554.93 = 2,121.36 : x
  2. Step 2: Convert to fraction form
    3,300.51/4,554.93 = 2,121.36/x
  3. Step 3: Cross multiply
    3,300.51x = 4,554.93 × 2,121.36
  4. Step 4: Simplify right side
    3,300.51x = 9,662,646.30
  5. Step 5: Solve for x
    x = 9,662,646.30/3,300.51
  6. Step 6: Final answer
    x = 2,927.62

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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.