Home / 2,923.87-4,034.91-1,647.63

Finding the Fourth Proportional to 2,923.87, 4,034.91 and 1,647.63

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Solution

The fourth proportional to 2,923.87, 4,034.91 and 1,647.63 is: 2,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.87 : 4,034.91 = 1,647.63 : x
  2. Step 2: Convert to fraction form
    2,923.87/4,034.91 = 1,647.63/x
  3. Step 3: Cross multiply
    2,923.87x = 4,034.91 × 1,647.63
  4. Step 4: Simplify right side
    2,923.87x = 6,648,038.76
  5. Step 5: Solve for x
    x = 6,648,038.76/2,923.87
  6. Step 6: Final answer
    x = 2,273.71

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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.