Home / 3,248.40-4,477.96-2,302.80

Finding the Fourth Proportional to 3,248.40, 4,477.96 and 2,302.80

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Solution

The fourth proportional to 3,248.40, 4,477.96 and 2,302.80 is: 3,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.40 : 4,477.96 = 2,302.80 : x
  2. Step 2: Convert to fraction form
    3,248.40/4,477.96 = 2,302.80/x
  3. Step 3: Cross multiply
    3,248.40x = 4,477.96 × 2,302.80
  4. Step 4: Simplify right side
    3,248.40x = 10,311,846.29
  5. Step 5: Solve for x
    x = 10,311,846.29/3,248.40
  6. Step 6: Final answer
    x = 3,174.44

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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.