Home / 2,648.16-3,973.32-1,186.92

Finding the Fourth Proportional to 2,648.16, 3,973.32 and 1,186.92

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Solution

The fourth proportional to 2,648.16, 3,973.32 and 1,186.92 is: 1,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.16 : 3,973.32 = 1,186.92 : x
  2. Step 2: Convert to fraction form
    2,648.16/3,973.32 = 1,186.92/x
  3. Step 3: Cross multiply
    2,648.16x = 3,973.32 × 1,186.92
  4. Step 4: Simplify right side
    2,648.16x = 4,716,012.97
  5. Step 5: Solve for x
    x = 4,716,012.97/2,648.16
  6. Step 6: Final answer
    x = 1,780.86

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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.