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Finding the Fourth Proportional to 1,296.93, 1,946.36 and 951.16

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Solution

The fourth proportional to 1,296.93, 1,946.36 and 951.16 is: 1,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.93 : 1,946.36 = 951.16 : x
  2. Step 2: Convert to fraction form
    1,296.93/1,946.36 = 951.16/x
  3. Step 3: Cross multiply
    1,296.93x = 1,946.36 × 951.16
  4. Step 4: Simplify right side
    1,296.93x = 1,851,297.29
  5. Step 5: Solve for x
    x = 1,851,297.29/1,296.93
  6. Step 6: Final answer
    x = 1,427.45

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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.