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Finding the Fourth Proportional to 1,237.68, 1,707.93 and 795.42

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Solution

The fourth proportional to 1,237.68, 1,707.93 and 795.42 is: 1,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.68 : 1,707.93 = 795.42 : x
  2. Step 2: Convert to fraction form
    1,237.68/1,707.93 = 795.42/x
  3. Step 3: Cross multiply
    1,237.68x = 1,707.93 × 795.42
  4. Step 4: Simplify right side
    1,237.68x = 1,358,521.68
  5. Step 5: Solve for x
    x = 1,358,521.68/1,237.68
  6. Step 6: Final answer
    x = 1,097.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.