Home / 2,141.52-2,953.44-1,441.68

Finding the Fourth Proportional to 2,141.52, 2,953.44 and 1,441.68

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Solution

The fourth proportional to 2,141.52, 2,953.44 and 1,441.68 is: 1,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.52 : 2,953.44 = 1,441.68 : x
  2. Step 2: Convert to fraction form
    2,141.52/2,953.44 = 1,441.68/x
  3. Step 3: Cross multiply
    2,141.52x = 2,953.44 × 1,441.68
  4. Step 4: Simplify right side
    2,141.52x = 4,257,915.38
  5. Step 5: Solve for x
    x = 4,257,915.38/2,141.52
  6. Step 6: Final answer
    x = 1,988.27

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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.