Home / 2,919.02-4,380.53-1,276.02

Finding the Fourth Proportional to 2,919.02, 4,380.53 and 1,276.02

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Solution

The fourth proportional to 2,919.02, 4,380.53 and 1,276.02 is: 1,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.02 : 4,380.53 = 1,276.02 : x
  2. Step 2: Convert to fraction form
    2,919.02/4,380.53 = 1,276.02/x
  3. Step 3: Cross multiply
    2,919.02x = 4,380.53 × 1,276.02
  4. Step 4: Simplify right side
    2,919.02x = 5,589,637.51
  5. Step 5: Solve for x
    x = 5,589,637.51/2,919.02
  6. Step 6: Final answer
    x = 1,914.91

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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.