Home / 1,662.67-2,292.60-1,507.15

Finding the Fourth Proportional to 1,662.67, 2,292.60 and 1,507.15

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Solution

The fourth proportional to 1,662.67, 2,292.60 and 1,507.15 is: 2,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.67 : 2,292.60 = 1,507.15 : x
  2. Step 2: Convert to fraction form
    1,662.67/2,292.60 = 1,507.15/x
  3. Step 3: Cross multiply
    1,662.67x = 2,292.60 × 1,507.15
  4. Step 4: Simplify right side
    1,662.67x = 3,455,292.09
  5. Step 5: Solve for x
    x = 3,455,292.09/1,662.67
  6. Step 6: Final answer
    x = 2,078.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.