Home / 2,163.60-2,985.72-1,232.08

Finding the Fourth Proportional to 2,163.60, 2,985.72 and 1,232.08

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Solution

The fourth proportional to 2,163.60, 2,985.72 and 1,232.08 is: 1,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.60 : 2,985.72 = 1,232.08 : x
  2. Step 2: Convert to fraction form
    2,163.60/2,985.72 = 1,232.08/x
  3. Step 3: Cross multiply
    2,163.60x = 2,985.72 × 1,232.08
  4. Step 4: Simplify right side
    2,163.60x = 3,678,645.90
  5. Step 5: Solve for x
    x = 3,678,645.90/2,163.60
  6. Step 6: Final answer
    x = 1,700.24

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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.