Home / 3,302.48-4,557.24-1,905.20

Finding the Fourth Proportional to 3,302.48, 4,557.24 and 1,905.20

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Solution

The fourth proportional to 3,302.48, 4,557.24 and 1,905.20 is: 2,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.48 : 4,557.24 = 1,905.20 : x
  2. Step 2: Convert to fraction form
    3,302.48/4,557.24 = 1,905.20/x
  3. Step 3: Cross multiply
    3,302.48x = 4,557.24 × 1,905.20
  4. Step 4: Simplify right side
    3,302.48x = 8,682,453.65
  5. Step 5: Solve for x
    x = 8,682,453.65/3,302.48
  6. Step 6: Final answer
    x = 2,629.07

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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.