Home / 3,104.85-4,657.50-1,157.07

Finding the Fourth Proportional to 3,104.85, 4,657.50 and 1,157.07

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Solution

The fourth proportional to 3,104.85, 4,657.50 and 1,157.07 is: 1,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.85 : 4,657.50 = 1,157.07 : x
  2. Step 2: Convert to fraction form
    3,104.85/4,657.50 = 1,157.07/x
  3. Step 3: Cross multiply
    3,104.85x = 4,657.50 × 1,157.07
  4. Step 4: Simplify right side
    3,104.85x = 5,389,053.53
  5. Step 5: Solve for x
    x = 5,389,053.53/3,104.85
  6. Step 6: Final answer
    x = 1,735.69

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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.