Home / 1,263.60-1,895.66-533.18

Finding the Fourth Proportional to 1,263.60, 1,895.66 and 533.18

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Solution

The fourth proportional to 1,263.60, 1,895.66 and 533.18 is: 799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.60 : 1,895.66 = 533.18 : x
  2. Step 2: Convert to fraction form
    1,263.60/1,895.66 = 533.18/x
  3. Step 3: Cross multiply
    1,263.60x = 1,895.66 × 533.18
  4. Step 4: Simplify right side
    1,263.60x = 1,010,715.85
  5. Step 5: Solve for x
    x = 1,010,715.85/1,263.60
  6. Step 6: Final answer
    x = 799.87

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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.