Home / 3,127.08-4,690.60-1,179.44

Finding the Fourth Proportional to 3,127.08, 4,690.60 and 1,179.44

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Solution

The fourth proportional to 3,127.08, 4,690.60 and 1,179.44 is: 1,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.08 : 4,690.60 = 1,179.44 : x
  2. Step 2: Convert to fraction form
    3,127.08/4,690.60 = 1,179.44/x
  3. Step 3: Cross multiply
    3,127.08x = 4,690.60 × 1,179.44
  4. Step 4: Simplify right side
    3,127.08x = 5,532,281.26
  5. Step 5: Solve for x
    x = 5,532,281.26/3,127.08
  6. Step 6: Final answer
    x = 1,769.15

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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.