Home / 2,141.68-2,955.33-1,197.39

Finding the Fourth Proportional to 2,141.68, 2,955.33 and 1,197.39

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Solution

The fourth proportional to 2,141.68, 2,955.33 and 1,197.39 is: 1,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.68 : 2,955.33 = 1,197.39 : x
  2. Step 2: Convert to fraction form
    2,141.68/2,955.33 = 1,197.39/x
  3. Step 3: Cross multiply
    2,141.68x = 2,955.33 × 1,197.39
  4. Step 4: Simplify right side
    2,141.68x = 3,538,682.59
  5. Step 5: Solve for x
    x = 3,538,682.59/2,141.68
  6. Step 6: Final answer
    x = 1,652.29

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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.