Home / 2,924.28-4,035.36-2,141.64

Finding the Fourth Proportional to 2,924.28, 4,035.36 and 2,141.64

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Solution

The fourth proportional to 2,924.28, 4,035.36 and 2,141.64 is: 2,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.28 : 4,035.36 = 2,141.64 : x
  2. Step 2: Convert to fraction form
    2,924.28/4,035.36 = 2,141.64/x
  3. Step 3: Cross multiply
    2,924.28x = 4,035.36 × 2,141.64
  4. Step 4: Simplify right side
    2,924.28x = 8,642,288.39
  5. Step 5: Solve for x
    x = 8,642,288.39/2,924.28
  6. Step 6: Final answer
    x = 2,955.36

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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.