Home / 2,141.40-2,955.04-1,197.28

Finding the Fourth Proportional to 2,141.40, 2,955.04 and 1,197.28

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Solution

The fourth proportional to 2,141.40, 2,955.04 and 1,197.28 is: 1,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.40 : 2,955.04 = 1,197.28 : x
  2. Step 2: Convert to fraction form
    2,141.40/2,955.04 = 1,197.28/x
  3. Step 3: Cross multiply
    2,141.40x = 2,955.04 × 1,197.28
  4. Step 4: Simplify right side
    2,141.40x = 3,538,010.29
  5. Step 5: Solve for x
    x = 3,538,010.29/2,141.40
  6. Step 6: Final answer
    x = 1,652.19

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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.