Home / 2,685.83-4,034.93-1,907.73

Finding the Fourth Proportional to 2,685.83, 4,034.93 and 1,907.73

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Solution

The fourth proportional to 2,685.83, 4,034.93 and 1,907.73 is: 2,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.83 : 4,034.93 = 1,907.73 : x
  2. Step 2: Convert to fraction form
    2,685.83/4,034.93 = 1,907.73/x
  3. Step 3: Cross multiply
    2,685.83x = 4,034.93 × 1,907.73
  4. Step 4: Simplify right side
    2,685.83x = 7,697,532.34
  5. Step 5: Solve for x
    x = 7,697,532.34/2,685.83
  6. Step 6: Final answer
    x = 2,865.98

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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.