Home / 2,939.31-4,409.06-1,477.67

Finding the Fourth Proportional to 2,939.31, 4,409.06 and 1,477.67

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Solution

The fourth proportional to 2,939.31, 4,409.06 and 1,477.67 is: 2,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.31 : 4,409.06 = 1,477.67 : x
  2. Step 2: Convert to fraction form
    2,939.31/4,409.06 = 1,477.67/x
  3. Step 3: Cross multiply
    2,939.31x = 4,409.06 × 1,477.67
  4. Step 4: Simplify right side
    2,939.31x = 6,515,106.26
  5. Step 5: Solve for x
    x = 6,515,106.26/2,939.31
  6. Step 6: Final answer
    x = 2,216.54

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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.