Home / 2,709.50-4,064.61-1,170.86

Finding the Fourth Proportional to 2,709.50, 4,064.61 and 1,170.86

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Solution

The fourth proportional to 2,709.50, 4,064.61 and 1,170.86 is: 1,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.50 : 4,064.61 = 1,170.86 : x
  2. Step 2: Convert to fraction form
    2,709.50/4,064.61 = 1,170.86/x
  3. Step 3: Cross multiply
    2,709.50x = 4,064.61 × 1,170.86
  4. Step 4: Simplify right side
    2,709.50x = 4,759,089.26
  5. Step 5: Solve for x
    x = 4,759,089.26/2,709.50
  6. Step 6: Final answer
    x = 1,756.45

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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.