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Finding the Fourth Proportional to 2,141.65, 2,955.37 and 1,197.49

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Solution

The fourth proportional to 2,141.65, 2,955.37 and 1,197.49 is: 1,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.65 : 2,955.37 = 1,197.49 : x
  2. Step 2: Convert to fraction form
    2,141.65/2,955.37 = 1,197.49/x
  3. Step 3: Cross multiply
    2,141.65x = 2,955.37 × 1,197.49
  4. Step 4: Simplify right side
    2,141.65x = 3,539,026.02
  5. Step 5: Solve for x
    x = 3,539,026.02/2,141.65
  6. Step 6: Final answer
    x = 1,652.48

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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.