Home / 3,206.08-4,423.53-1,929.66

Finding the Fourth Proportional to 3,206.08, 4,423.53 and 1,929.66

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Solution

The fourth proportional to 3,206.08, 4,423.53 and 1,929.66 is: 2,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.08 : 4,423.53 = 1,929.66 : x
  2. Step 2: Convert to fraction form
    3,206.08/4,423.53 = 1,929.66/x
  3. Step 3: Cross multiply
    3,206.08x = 4,423.53 × 1,929.66
  4. Step 4: Simplify right side
    3,206.08x = 8,535,908.90
  5. Step 5: Solve for x
    x = 8,535,908.90/3,206.08
  6. Step 6: Final answer
    x = 2,662.41

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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.