Home / 1,263.54-1,895.52-385.98

Finding the Fourth Proportional to 1,263.54, 1,895.52 and 385.98

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Solution

The fourth proportional to 1,263.54, 1,895.52 and 385.98 is: 579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.54 : 1,895.52 = 385.98 : x
  2. Step 2: Convert to fraction form
    1,263.54/1,895.52 = 385.98/x
  3. Step 3: Cross multiply
    1,263.54x = 1,895.52 × 385.98
  4. Step 4: Simplify right side
    1,263.54x = 731,632.81
  5. Step 5: Solve for x
    x = 731,632.81/1,263.54
  6. Step 6: Final answer
    x = 579.03

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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.