Home / 2,163.52-2,985.60-1,232.32

Finding the Fourth Proportional to 2,163.52, 2,985.60 and 1,232.32

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Solution

The fourth proportional to 2,163.52, 2,985.60 and 1,232.32 is: 1,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.52 : 2,985.60 = 1,232.32 : x
  2. Step 2: Convert to fraction form
    2,163.52/2,985.60 = 1,232.32/x
  3. Step 3: Cross multiply
    2,163.52x = 2,985.60 × 1,232.32
  4. Step 4: Simplify right side
    2,163.52x = 3,679,214.59
  5. Step 5: Solve for x
    x = 3,679,214.59/2,163.52
  6. Step 6: Final answer
    x = 1,700.57

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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.