Home / 1,756.42-2,637.86-1,179.70

Finding the Fourth Proportional to 1,756.42, 2,637.86 and 1,179.70

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Solution

The fourth proportional to 1,756.42, 2,637.86 and 1,179.70 is: 1,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.42 : 2,637.86 = 1,179.70 : x
  2. Step 2: Convert to fraction form
    1,756.42/2,637.86 = 1,179.70/x
  3. Step 3: Cross multiply
    1,756.42x = 2,637.86 × 1,179.70
  4. Step 4: Simplify right side
    1,756.42x = 3,111,883.44
  5. Step 5: Solve for x
    x = 3,111,883.44/1,756.42
  6. Step 6: Final answer
    x = 1,771.72

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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.