Home / 1,178.37-1,762.38-1,049.28

Finding the Fourth Proportional to 1,178.37, 1,762.38 and 1,049.28

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Solution

The fourth proportional to 1,178.37, 1,762.38 and 1,049.28 is: 1,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.37 : 1,762.38 = 1,049.28 : x
  2. Step 2: Convert to fraction form
    1,178.37/1,762.38 = 1,049.28/x
  3. Step 3: Cross multiply
    1,178.37x = 1,762.38 × 1,049.28
  4. Step 4: Simplify right side
    1,178.37x = 1,849,230.09
  5. Step 5: Solve for x
    x = 1,849,230.09/1,178.37
  6. Step 6: Final answer
    x = 1,569.31

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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.