Home / 1,346.12-2,018.44-907.36

Finding the Fourth Proportional to 1,346.12, 2,018.44 and 907.36

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Solution

The fourth proportional to 1,346.12, 2,018.44 and 907.36 is: 1,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.12 : 2,018.44 = 907.36 : x
  2. Step 2: Convert to fraction form
    1,346.12/2,018.44 = 907.36/x
  3. Step 3: Cross multiply
    1,346.12x = 2,018.44 × 907.36
  4. Step 4: Simplify right side
    1,346.12x = 1,831,451.72
  5. Step 5: Solve for x
    x = 1,831,451.72/1,346.12
  6. Step 6: Final answer
    x = 1,360.54

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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.