Home / 2,923.53-4,384.76-1,279.77

Finding the Fourth Proportional to 2,923.53, 4,384.76 and 1,279.77

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Solution

The fourth proportional to 2,923.53, 4,384.76 and 1,279.77 is: 1,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.53 : 4,384.76 = 1,279.77 : x
  2. Step 2: Convert to fraction form
    2,923.53/4,384.76 = 1,279.77/x
  3. Step 3: Cross multiply
    2,923.53x = 4,384.76 × 1,279.77
  4. Step 4: Simplify right side
    2,923.53x = 5,611,477.91
  5. Step 5: Solve for x
    x = 5,611,477.91/2,923.53
  6. Step 6: Final answer
    x = 1,919.42

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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.