Home / 1,756.86-2,631.84-1,170.15

Finding the Fourth Proportional to 1,756.86, 2,631.84 and 1,170.15

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Solution

The fourth proportional to 1,756.86, 2,631.84 and 1,170.15 is: 1,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.86 : 2,631.84 = 1,170.15 : x
  2. Step 2: Convert to fraction form
    1,756.86/2,631.84 = 1,170.15/x
  3. Step 3: Cross multiply
    1,756.86x = 2,631.84 × 1,170.15
  4. Step 4: Simplify right side
    1,756.86x = 3,079,647.58
  5. Step 5: Solve for x
    x = 3,079,647.58/1,756.86
  6. Step 6: Final answer
    x = 1,752.93

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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.