Home / 3,206.71-4,423.68-2,088.30

Finding the Fourth Proportional to 3,206.71, 4,423.68 and 2,088.30

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Solution

The fourth proportional to 3,206.71, 4,423.68 and 2,088.30 is: 2,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.71 : 4,423.68 = 2,088.30 : x
  2. Step 2: Convert to fraction form
    3,206.71/4,423.68 = 2,088.30/x
  3. Step 3: Cross multiply
    3,206.71x = 4,423.68 × 2,088.30
  4. Step 4: Simplify right side
    3,206.71x = 9,237,970.94
  5. Step 5: Solve for x
    x = 9,237,970.94/3,206.71
  6. Step 6: Final answer
    x = 2,880.83

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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.