Home / 1,672.96-2,507.32-1,186.12

Finding the Fourth Proportional to 1,672.96, 2,507.32 and 1,186.12

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Solution

The fourth proportional to 1,672.96, 2,507.32 and 1,186.12 is: 1,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.96 : 2,507.32 = 1,186.12 : x
  2. Step 2: Convert to fraction form
    1,672.96/2,507.32 = 1,186.12/x
  3. Step 3: Cross multiply
    1,672.96x = 2,507.32 × 1,186.12
  4. Step 4: Simplify right side
    1,672.96x = 2,973,982.40
  5. Step 5: Solve for x
    x = 2,973,982.40/1,672.96
  6. Step 6: Final answer
    x = 1,777.68

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1.5x scale

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.