Home / 2,163.81-3,248.51-1,857.63

Finding the Fourth Proportional to 2,163.81, 3,248.51 and 1,857.63

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Solution

The fourth proportional to 2,163.81, 3,248.51 and 1,857.63 is: 2,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.81 : 3,248.51 = 1,857.63 : x
  2. Step 2: Convert to fraction form
    2,163.81/3,248.51 = 1,857.63/x
  3. Step 3: Cross multiply
    2,163.81x = 3,248.51 × 1,857.63
  4. Step 4: Simplify right side
    2,163.81x = 6,034,520.34
  5. Step 5: Solve for x
    x = 6,034,520.34/2,163.81
  6. Step 6: Final answer
    x = 2,788.84

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1.5x scale

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.