Home / 2,924.22-4,035.76-1,931.56

Finding the Fourth Proportional to 2,924.22, 4,035.76 and 1,931.56

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Solution

The fourth proportional to 2,924.22, 4,035.76 and 1,931.56 is: 2,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.22 : 4,035.76 = 1,931.56 : x
  2. Step 2: Convert to fraction form
    2,924.22/4,035.76 = 1,931.56/x
  3. Step 3: Cross multiply
    2,924.22x = 4,035.76 × 1,931.56
  4. Step 4: Simplify right side
    2,924.22x = 7,795,312.59
  5. Step 5: Solve for x
    x = 7,795,312.59/2,924.22
  6. Step 6: Final answer
    x = 2,665.78

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1.5x scale

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.