Home / 1,524.10-2,286.80-744.79

Finding the Fourth Proportional to 1,524.10, 2,286.80 and 744.79

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Solution

The fourth proportional to 1,524.10, 2,286.80 and 744.79 is: 1,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.10 : 2,286.80 = 744.79 : x
  2. Step 2: Convert to fraction form
    1,524.10/2,286.80 = 744.79/x
  3. Step 3: Cross multiply
    1,524.10x = 2,286.80 × 744.79
  4. Step 4: Simplify right side
    1,524.10x = 1,703,185.77
  5. Step 5: Solve for x
    x = 1,703,185.77/1,524.10
  6. Step 6: Final answer
    x = 1,117.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.