Home / 1,484.10-2,226.72-907.38

Finding the Fourth Proportional to 1,484.10, 2,226.72 and 907.38

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Solution

The fourth proportional to 1,484.10, 2,226.72 and 907.38 is: 1,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.10 : 2,226.72 = 907.38 : x
  2. Step 2: Convert to fraction form
    1,484.10/2,226.72 = 907.38/x
  3. Step 3: Cross multiply
    1,484.10x = 2,226.72 × 907.38
  4. Step 4: Simplify right side
    1,484.10x = 2,020,481.19
  5. Step 5: Solve for x
    x = 2,020,481.19/1,484.10
  6. Step 6: Final answer
    x = 1,361.42

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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.