Home / 2,163.72-2,985.86-1,232.04

Finding the Fourth Proportional to 2,163.72, 2,985.86 and 1,232.04

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Solution

The fourth proportional to 2,163.72, 2,985.86 and 1,232.04 is: 1,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.72 : 2,985.86 = 1,232.04 : x
  2. Step 2: Convert to fraction form
    2,163.72/2,985.86 = 1,232.04/x
  3. Step 3: Cross multiply
    2,163.72x = 2,985.86 × 1,232.04
  4. Step 4: Simplify right side
    2,163.72x = 3,678,698.95
  5. Step 5: Solve for x
    x = 3,678,698.95/2,163.72
  6. Step 6: Final answer
    x = 1,700.17

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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.