Home / 2,780.01-4,170.33-2,095.29

Finding the Fourth Proportional to 2,780.01, 4,170.33 and 2,095.29

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Solution

The fourth proportional to 2,780.01, 4,170.33 and 2,095.29 is: 3,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.01 : 4,170.33 = 2,095.29 : x
  2. Step 2: Convert to fraction form
    2,780.01/4,170.33 = 2,095.29/x
  3. Step 3: Cross multiply
    2,780.01x = 4,170.33 × 2,095.29
  4. Step 4: Simplify right side
    2,780.01x = 8,738,050.75
  5. Step 5: Solve for x
    x = 8,738,050.75/2,780.01
  6. Step 6: Final answer
    x = 3,143.17

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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.