Home / 3,300.32-4,554.88-2,124.81

Finding the Fourth Proportional to 3,300.32, 4,554.88 and 2,124.81

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Solution

The fourth proportional to 3,300.32, 4,554.88 and 2,124.81 is: 2,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.32 : 4,554.88 = 2,124.81 : x
  2. Step 2: Convert to fraction form
    3,300.32/4,554.88 = 2,124.81/x
  3. Step 3: Cross multiply
    3,300.32x = 4,554.88 × 2,124.81
  4. Step 4: Simplify right side
    3,300.32x = 9,678,249.26
  5. Step 5: Solve for x
    x = 9,678,249.26/3,300.32
  6. Step 6: Final answer
    x = 2,932.52

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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.