Home / 2,725.34-4,087.92-1,186.34

Finding the Fourth Proportional to 2,725.34, 4,087.92 and 1,186.34

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Solution

The fourth proportional to 2,725.34, 4,087.92 and 1,186.34 is: 1,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.34 : 4,087.92 = 1,186.34 : x
  2. Step 2: Convert to fraction form
    2,725.34/4,087.92 = 1,186.34/x
  3. Step 3: Cross multiply
    2,725.34x = 4,087.92 × 1,186.34
  4. Step 4: Simplify right side
    2,725.34x = 4,849,663.01
  5. Step 5: Solve for x
    x = 4,849,663.01/2,725.34
  6. Step 6: Final answer
    x = 1,779.47

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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.