Home / 1,158.32-1,739.44-1,149.36

Finding the Fourth Proportional to 1,158.32, 1,739.44 and 1,149.36

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Solution

The fourth proportional to 1,158.32, 1,739.44 and 1,149.36 is: 1,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.32 : 1,739.44 = 1,149.36 : x
  2. Step 2: Convert to fraction form
    1,158.32/1,739.44 = 1,149.36/x
  3. Step 3: Cross multiply
    1,158.32x = 1,739.44 × 1,149.36
  4. Step 4: Simplify right side
    1,158.32x = 1,999,242.76
  5. Step 5: Solve for x
    x = 1,999,242.76/1,158.32
  6. Step 6: Final answer
    x = 1,725.98

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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.