Home / 1,481.53-2,043.66-957.57

Finding the Fourth Proportional to 1,481.53, 2,043.66 and 957.57

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Solution

The fourth proportional to 1,481.53, 2,043.66 and 957.57 is: 1,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.53 : 2,043.66 = 957.57 : x
  2. Step 2: Convert to fraction form
    1,481.53/2,043.66 = 957.57/x
  3. Step 3: Cross multiply
    1,481.53x = 2,043.66 × 957.57
  4. Step 4: Simplify right side
    1,481.53x = 1,956,947.51
  5. Step 5: Solve for x
    x = 1,956,947.51/1,481.53
  6. Step 6: Final answer
    x = 1,320.90

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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.