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Finding the Fourth Proportional to 2,908.01, 4,012.19 and 1,649.05

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Solution

The fourth proportional to 2,908.01, 4,012.19 and 1,649.05 is: 2,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.01 : 4,012.19 = 1,649.05 : x
  2. Step 2: Convert to fraction form
    2,908.01/4,012.19 = 1,649.05/x
  3. Step 3: Cross multiply
    2,908.01x = 4,012.19 × 1,649.05
  4. Step 4: Simplify right side
    2,908.01x = 6,616,289.83
  5. Step 5: Solve for x
    x = 6,616,289.83/2,908.01
  6. Step 6: Final answer
    x = 2,275.19

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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.