Home / 2,972.41-4,100.57-1,924.81

Finding the Fourth Proportional to 2,972.41, 4,100.57 and 1,924.81

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Solution

The fourth proportional to 2,972.41, 4,100.57 and 1,924.81 is: 2,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.41 : 4,100.57 = 1,924.81 : x
  2. Step 2: Convert to fraction form
    2,972.41/4,100.57 = 1,924.81/x
  3. Step 3: Cross multiply
    2,972.41x = 4,100.57 × 1,924.81
  4. Step 4: Simplify right side
    2,972.41x = 7,892,808.52
  5. Step 5: Solve for x
    x = 7,892,808.52/2,972.41
  6. Step 6: Final answer
    x = 2,655.36

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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.