Home / 2,302.30-3,193.45-2,219.28

Finding the Fourth Proportional to 2,302.30, 3,193.45 and 2,219.28

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Solution

The fourth proportional to 2,302.30, 3,193.45 and 2,219.28 is: 3,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.30 : 3,193.45 = 2,219.28 : x
  2. Step 2: Convert to fraction form
    2,302.30/3,193.45 = 2,219.28/x
  3. Step 3: Cross multiply
    2,302.30x = 3,193.45 × 2,219.28
  4. Step 4: Simplify right side
    2,302.30x = 7,087,159.72
  5. Step 5: Solve for x
    x = 7,087,159.72/2,302.30
  6. Step 6: Final answer
    x = 3,078.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.