Home / 1,056.51-1,584.36-325.89

Finding the Fourth Proportional to 1,056.51, 1,584.36 and 325.89

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Solution

The fourth proportional to 1,056.51, 1,584.36 and 325.89 is: 488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.51 : 1,584.36 = 325.89 : x
  2. Step 2: Convert to fraction form
    1,056.51/1,584.36 = 325.89/x
  3. Step 3: Cross multiply
    1,056.51x = 1,584.36 × 325.89
  4. Step 4: Simplify right side
    1,056.51x = 516,327.08
  5. Step 5: Solve for x
    x = 516,327.08/1,056.51
  6. Step 6: Final answer
    x = 488.71

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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.