Home / 2,797.50-4,196.26-1,131.60

Finding the Fourth Proportional to 2,797.50, 4,196.26 and 1,131.60

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Solution

The fourth proportional to 2,797.50, 4,196.26 and 1,131.60 is: 1,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.50 : 4,196.26 = 1,131.60 : x
  2. Step 2: Convert to fraction form
    2,797.50/4,196.26 = 1,131.60/x
  3. Step 3: Cross multiply
    2,797.50x = 4,196.26 × 1,131.60
  4. Step 4: Simplify right side
    2,797.50x = 4,748,487.82
  5. Step 5: Solve for x
    x = 4,748,487.82/2,797.50
  6. Step 6: Final answer
    x = 1,697.40

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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.