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Finding the Fourth Proportional to 2,673.91, 3,690.01 and 1,478.98

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Solution

The fourth proportional to 2,673.91, 3,690.01 and 1,478.98 is: 2,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.91 : 3,690.01 = 1,478.98 : x
  2. Step 2: Convert to fraction form
    2,673.91/3,690.01 = 1,478.98/x
  3. Step 3: Cross multiply
    2,673.91x = 3,690.01 × 1,478.98
  4. Step 4: Simplify right side
    2,673.91x = 5,457,450.99
  5. Step 5: Solve for x
    x = 5,457,450.99/2,673.91
  6. Step 6: Final answer
    x = 2,041.00

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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.