Home / 2,056.84-3,085.28-1,645.44

Finding the Fourth Proportional to 2,056.84, 3,085.28 and 1,645.44

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Solution

The fourth proportional to 2,056.84, 3,085.28 and 1,645.44 is: 2,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.84 : 3,085.28 = 1,645.44 : x
  2. Step 2: Convert to fraction form
    2,056.84/3,085.28 = 1,645.44/x
  3. Step 3: Cross multiply
    2,056.84x = 3,085.28 × 1,645.44
  4. Step 4: Simplify right side
    2,056.84x = 5,076,643.12
  5. Step 5: Solve for x
    x = 5,076,643.12/2,056.84
  6. Step 6: Final answer
    x = 2,468.18

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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.