Home / 1,674.21-2,526.31-1,606.78

Finding the Fourth Proportional to 1,674.21, 2,526.31 and 1,606.78

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Solution

The fourth proportional to 1,674.21, 2,526.31 and 1,606.78 is: 2,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.21 : 2,526.31 = 1,606.78 : x
  2. Step 2: Convert to fraction form
    1,674.21/2,526.31 = 1,606.78/x
  3. Step 3: Cross multiply
    1,674.21x = 2,526.31 × 1,606.78
  4. Step 4: Simplify right side
    1,674.21x = 4,059,214.05
  5. Step 5: Solve for x
    x = 4,059,214.05/1,674.21
  6. Step 6: Final answer
    x = 2,424.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.