Home / 1,951.47-2,924.40-1,292.22

Finding the Fourth Proportional to 1,951.47, 2,924.40 and 1,292.22

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Solution

The fourth proportional to 1,951.47, 2,924.40 and 1,292.22 is: 1,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.47 : 2,924.40 = 1,292.22 : x
  2. Step 2: Convert to fraction form
    1,951.47/2,924.40 = 1,292.22/x
  3. Step 3: Cross multiply
    1,951.47x = 2,924.40 × 1,292.22
  4. Step 4: Simplify right side
    1,951.47x = 3,778,968.17
  5. Step 5: Solve for x
    x = 3,778,968.17/1,951.47
  6. Step 6: Final answer
    x = 1,936.47

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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.