Home / 2,769.48-4,154.04-1,015.80

Finding the Fourth Proportional to 2,769.48, 4,154.04 and 1,015.80

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Solution

The fourth proportional to 2,769.48, 4,154.04 and 1,015.80 is: 1,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.48 : 4,154.04 = 1,015.80 : x
  2. Step 2: Convert to fraction form
    2,769.48/4,154.04 = 1,015.80/x
  3. Step 3: Cross multiply
    2,769.48x = 4,154.04 × 1,015.80
  4. Step 4: Simplify right side
    2,769.48x = 4,219,673.83
  5. Step 5: Solve for x
    x = 4,219,673.83/2,769.48
  6. Step 6: Final answer
    x = 1,523.63

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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.