Home / 2,185.44-3,011.72-1,563.36

Finding the Fourth Proportional to 2,185.44, 3,011.72 and 1,563.36

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Solution

The fourth proportional to 2,185.44, 3,011.72 and 1,563.36 is: 2,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.44 : 3,011.72 = 1,563.36 : x
  2. Step 2: Convert to fraction form
    2,185.44/3,011.72 = 1,563.36/x
  3. Step 3: Cross multiply
    2,185.44x = 3,011.72 × 1,563.36
  4. Step 4: Simplify right side
    2,185.44x = 4,708,402.58
  5. Step 5: Solve for x
    x = 4,708,402.58/2,185.44
  6. Step 6: Final answer
    x = 2,154.44

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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.