Home / 1,172.37-1,753.39-1,043.28

Finding the Fourth Proportional to 1,172.37, 1,753.39 and 1,043.28

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Solution

The fourth proportional to 1,172.37, 1,753.39 and 1,043.28 is: 1,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.37 : 1,753.39 = 1,043.28 : x
  2. Step 2: Convert to fraction form
    1,172.37/1,753.39 = 1,043.28/x
  3. Step 3: Cross multiply
    1,172.37x = 1,753.39 × 1,043.28
  4. Step 4: Simplify right side
    1,172.37x = 1,829,274.11
  5. Step 5: Solve for x
    x = 1,829,274.11/1,172.37
  6. Step 6: Final answer
    x = 1,560.32

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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.