Home / 1,352.46-2,028.54-474.90

Finding the Fourth Proportional to 1,352.46, 2,028.54 and 474.90

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Solution

The fourth proportional to 1,352.46, 2,028.54 and 474.90 is: 712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.46 : 2,028.54 = 474.90 : x
  2. Step 2: Convert to fraction form
    1,352.46/2,028.54 = 474.90/x
  3. Step 3: Cross multiply
    1,352.46x = 2,028.54 × 474.90
  4. Step 4: Simplify right side
    1,352.46x = 963,347.82
  5. Step 5: Solve for x
    x = 963,347.82/1,352.46
  6. Step 6: Final answer
    x = 712.29

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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.