Home / 1,770.63-2,443.70-1,182.18

Finding the Fourth Proportional to 1,770.63, 2,443.70 and 1,182.18

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Solution

The fourth proportional to 1,770.63, 2,443.70 and 1,182.18 is: 1,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.63 : 2,443.70 = 1,182.18 : x
  2. Step 2: Convert to fraction form
    1,770.63/2,443.70 = 1,182.18/x
  3. Step 3: Cross multiply
    1,770.63x = 2,443.70 × 1,182.18
  4. Step 4: Simplify right side
    1,770.63x = 2,888,905.39
  5. Step 5: Solve for x
    x = 2,888,905.39/1,770.63
  6. Step 6: Final answer
    x = 1,631.57

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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.