Home / 3,056.90-4,219.29-1,879.02

Finding the Fourth Proportional to 3,056.90, 4,219.29 and 1,879.02

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Solution

The fourth proportional to 3,056.90, 4,219.29 and 1,879.02 is: 2,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.90 : 4,219.29 = 1,879.02 : x
  2. Step 2: Convert to fraction form
    3,056.90/4,219.29 = 1,879.02/x
  3. Step 3: Cross multiply
    3,056.90x = 4,219.29 × 1,879.02
  4. Step 4: Simplify right side
    3,056.90x = 7,928,130.30
  5. Step 5: Solve for x
    x = 7,928,130.30/3,056.90
  6. Step 6: Final answer
    x = 2,593.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.