Home / 1,056.17-1,583.93-325.73

Finding the Fourth Proportional to 1,056.17, 1,583.93 and 325.73

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Solution

The fourth proportional to 1,056.17, 1,583.93 and 325.73 is: 488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.17 : 1,583.93 = 325.73 : x
  2. Step 2: Convert to fraction form
    1,056.17/1,583.93 = 325.73/x
  3. Step 3: Cross multiply
    1,056.17x = 1,583.93 × 325.73
  4. Step 4: Simplify right side
    1,056.17x = 515,925.60
  5. Step 5: Solve for x
    x = 515,925.60/1,056.17
  6. Step 6: Final answer
    x = 488.49

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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.