Home / 2,905.12-4,006.96-2,623.52

Finding the Fourth Proportional to 2,905.12, 4,006.96 and 2,623.52

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Solution

The fourth proportional to 2,905.12, 4,006.96 and 2,623.52 is: 3,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.12 : 4,006.96 = 2,623.52 : x
  2. Step 2: Convert to fraction form
    2,905.12/4,006.96 = 2,623.52/x
  3. Step 3: Cross multiply
    2,905.12x = 4,006.96 × 2,623.52
  4. Step 4: Simplify right side
    2,905.12x = 10,512,339.70
  5. Step 5: Solve for x
    x = 10,512,339.70/2,905.12
  6. Step 6: Final answer
    x = 3,618.56

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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.