Home / 2,939.49-4,409.34-1,477.85

Finding the Fourth Proportional to 2,939.49, 4,409.34 and 1,477.85

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Solution

The fourth proportional to 2,939.49, 4,409.34 and 1,477.85 is: 2,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.49 : 4,409.34 = 1,477.85 : x
  2. Step 2: Convert to fraction form
    2,939.49/4,409.34 = 1,477.85/x
  3. Step 3: Cross multiply
    2,939.49x = 4,409.34 × 1,477.85
  4. Step 4: Simplify right side
    2,939.49x = 6,516,315.53
  5. Step 5: Solve for x
    x = 6,516,315.53/2,939.49
  6. Step 6: Final answer
    x = 2,216.82

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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.