Home / 1,327.36-1,827.52-1,152.64

Finding the Fourth Proportional to 1,327.36, 1,827.52 and 1,152.64

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Solution

The fourth proportional to 1,327.36, 1,827.52 and 1,152.64 is: 1,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.36 : 1,827.52 = 1,152.64 : x
  2. Step 2: Convert to fraction form
    1,327.36/1,827.52 = 1,152.64/x
  3. Step 3: Cross multiply
    1,327.36x = 1,827.52 × 1,152.64
  4. Step 4: Simplify right side
    1,327.36x = 2,106,472.65
  5. Step 5: Solve for x
    x = 2,106,472.65/1,327.36
  6. Step 6: Final answer
    x = 1,586.96

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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.