Home / 2,606.94-3,597.65-1,428.09

Finding the Fourth Proportional to 2,606.94, 3,597.65 and 1,428.09

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Solution

The fourth proportional to 2,606.94, 3,597.65 and 1,428.09 is: 1,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.94 : 3,597.65 = 1,428.09 : x
  2. Step 2: Convert to fraction form
    2,606.94/3,597.65 = 1,428.09/x
  3. Step 3: Cross multiply
    2,606.94x = 3,597.65 × 1,428.09
  4. Step 4: Simplify right side
    2,606.94x = 5,137,767.99
  5. Step 5: Solve for x
    x = 5,137,767.99/2,606.94
  6. Step 6: Final answer
    x = 1,970.80

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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.