Home / 1,310.84-1,965.58-1,063.39

Finding the Fourth Proportional to 1,310.84, 1,965.58 and 1,063.39

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Solution

The fourth proportional to 1,310.84, 1,965.58 and 1,063.39 is: 1,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.84 : 1,965.58 = 1,063.39 : x
  2. Step 2: Convert to fraction form
    1,310.84/1,965.58 = 1,063.39/x
  3. Step 3: Cross multiply
    1,310.84x = 1,965.58 × 1,063.39
  4. Step 4: Simplify right side
    1,310.84x = 2,090,168.29
  5. Step 5: Solve for x
    x = 2,090,168.29/1,310.84
  6. Step 6: Final answer
    x = 1,594.53

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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.