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Finding the Fourth Proportional to 1,312.00, 1,965.03 and 1,017.14

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Solution

The fourth proportional to 1,312.00, 1,965.03 and 1,017.14 is: 1,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.00 : 1,965.03 = 1,017.14 : x
  2. Step 2: Convert to fraction form
    1,312.00/1,965.03 = 1,017.14/x
  3. Step 3: Cross multiply
    1,312.00x = 1,965.03 × 1,017.14
  4. Step 4: Simplify right side
    1,312.00x = 1,998,704.34
  5. Step 5: Solve for x
    x = 1,998,704.34/1,312.00
  6. Step 6: Final answer
    x = 1,523.40

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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.