Home / 1,360.04-2,041.77-667.38

Finding the Fourth Proportional to 1,360.04, 2,041.77 and 667.38

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Solution

The fourth proportional to 1,360.04, 2,041.77 and 667.38 is: 1,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.04 : 2,041.77 = 667.38 : x
  2. Step 2: Convert to fraction form
    1,360.04/2,041.77 = 667.38/x
  3. Step 3: Cross multiply
    1,360.04x = 2,041.77 × 667.38
  4. Step 4: Simplify right side
    1,360.04x = 1,362,629.45
  5. Step 5: Solve for x
    x = 1,362,629.45/1,360.04
  6. Step 6: Final answer
    x = 1,001.90

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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.