Home / 2,184.94-3,015.56-1,240.84

Finding the Fourth Proportional to 2,184.94, 3,015.56 and 1,240.84

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Solution

The fourth proportional to 2,184.94, 3,015.56 and 1,240.84 is: 1,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.94 : 3,015.56 = 1,240.84 : x
  2. Step 2: Convert to fraction form
    2,184.94/3,015.56 = 1,240.84/x
  3. Step 3: Cross multiply
    2,184.94x = 3,015.56 × 1,240.84
  4. Step 4: Simplify right side
    2,184.94x = 3,741,827.47
  5. Step 5: Solve for x
    x = 3,741,827.47/2,184.94
  6. Step 6: Final answer
    x = 1,712.55

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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.