Home / 3,064.51-4,228.44-2,118.84

Finding the Fourth Proportional to 3,064.51, 4,228.44 and 2,118.84

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Solution

The fourth proportional to 3,064.51, 4,228.44 and 2,118.84 is: 2,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.51 : 4,228.44 = 2,118.84 : x
  2. Step 2: Convert to fraction form
    3,064.51/4,228.44 = 2,118.84/x
  3. Step 3: Cross multiply
    3,064.51x = 4,228.44 × 2,118.84
  4. Step 4: Simplify right side
    3,064.51x = 8,959,387.81
  5. Step 5: Solve for x
    x = 8,959,387.81/3,064.51
  6. Step 6: Final answer
    x = 2,923.60

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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.