Home / 1,770.88-2,441.52-1,180.96

Finding the Fourth Proportional to 1,770.88, 2,441.52 and 1,180.96

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Solution

The fourth proportional to 1,770.88, 2,441.52 and 1,180.96 is: 1,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.88 : 2,441.52 = 1,180.96 : x
  2. Step 2: Convert to fraction form
    1,770.88/2,441.52 = 1,180.96/x
  3. Step 3: Cross multiply
    1,770.88x = 2,441.52 × 1,180.96
  4. Step 4: Simplify right side
    1,770.88x = 2,883,337.46
  5. Step 5: Solve for x
    x = 2,883,337.46/1,770.88
  6. Step 6: Final answer
    x = 1,628.19

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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.