Home / 1,966.86-2,714.34-1,180.89

Finding the Fourth Proportional to 1,966.86, 2,714.34 and 1,180.89

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Solution

The fourth proportional to 1,966.86, 2,714.34 and 1,180.89 is: 1,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.86 : 2,714.34 = 1,180.89 : x
  2. Step 2: Convert to fraction form
    1,966.86/2,714.34 = 1,180.89/x
  3. Step 3: Cross multiply
    1,966.86x = 2,714.34 × 1,180.89
  4. Step 4: Simplify right side
    1,966.86x = 3,205,336.96
  5. Step 5: Solve for x
    x = 3,205,336.96/1,966.86
  6. Step 6: Final answer
    x = 1,629.67

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1.5x scale

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.