Home / 2,929.87-4,378.97-2,696.37

Finding the Fourth Proportional to 2,929.87, 4,378.97 and 2,696.37

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Solution

The fourth proportional to 2,929.87, 4,378.97 and 2,696.37 is: 4,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.87 : 4,378.97 = 2,696.37 : x
  2. Step 2: Convert to fraction form
    2,929.87/4,378.97 = 2,696.37/x
  3. Step 3: Cross multiply
    2,929.87x = 4,378.97 × 2,696.37
  4. Step 4: Simplify right side
    2,929.87x = 11,807,323.34
  5. Step 5: Solve for x
    x = 11,807,323.34/2,929.87
  6. Step 6: Final answer
    x = 4,029.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.