Home / 3,347.10-5,020.65-2,107.80

Finding the Fourth Proportional to 3,347.10, 5,020.65 and 2,107.80

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Solution

The fourth proportional to 3,347.10, 5,020.65 and 2,107.80 is: 3,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.10 : 5,020.65 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    3,347.10/5,020.65 = 2,107.80/x
  3. Step 3: Cross multiply
    3,347.10x = 5,020.65 × 2,107.80
  4. Step 4: Simplify right side
    3,347.10x = 10,582,526.07
  5. Step 5: Solve for x
    x = 10,582,526.07/3,347.10
  6. Step 6: Final answer
    x = 3,161.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.