Home / 1,770.64-2,444.49-1,141.48

Finding the Fourth Proportional to 1,770.64, 2,444.49 and 1,141.48

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Solution

The fourth proportional to 1,770.64, 2,444.49 and 1,141.48 is: 1,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.64 : 2,444.49 = 1,141.48 : x
  2. Step 2: Convert to fraction form
    1,770.64/2,444.49 = 1,141.48/x
  3. Step 3: Cross multiply
    1,770.64x = 2,444.49 × 1,141.48
  4. Step 4: Simplify right side
    1,770.64x = 2,790,336.45
  5. Step 5: Solve for x
    x = 2,790,336.45/1,770.64
  6. Step 6: Final answer
    x = 1,575.89

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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.