Home / 1,028.05-1,541.60-297.45

Finding the Fourth Proportional to 1,028.05, 1,541.60 and 297.45

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Solution

The fourth proportional to 1,028.05, 1,541.60 and 297.45 is: 446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.05 : 1,541.60 = 297.45 : x
  2. Step 2: Convert to fraction form
    1,028.05/1,541.60 = 297.45/x
  3. Step 3: Cross multiply
    1,028.05x = 1,541.60 × 297.45
  4. Step 4: Simplify right side
    1,028.05x = 458,548.92
  5. Step 5: Solve for x
    x = 458,548.92/1,028.05
  6. Step 6: Final answer
    x = 446.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.