Home / 3,393.23-4,684.95-2,119.05

Finding the Fourth Proportional to 3,393.23, 4,684.95 and 2,119.05

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Solution

The fourth proportional to 3,393.23, 4,684.95 and 2,119.05 is: 2,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.23 : 4,684.95 = 2,119.05 : x
  2. Step 2: Convert to fraction form
    3,393.23/4,684.95 = 2,119.05/x
  3. Step 3: Cross multiply
    3,393.23x = 4,684.95 × 2,119.05
  4. Step 4: Simplify right side
    3,393.23x = 9,927,632.70
  5. Step 5: Solve for x
    x = 9,927,632.70/3,393.23
  6. Step 6: Final answer
    x = 2,925.72

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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.