Home / 1,473.24-2,219.84-1,218.96

Finding the Fourth Proportional to 1,473.24, 2,219.84 and 1,218.96

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Solution

The fourth proportional to 1,473.24, 2,219.84 and 1,218.96 is: 1,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.24 : 2,219.84 = 1,218.96 : x
  2. Step 2: Convert to fraction form
    1,473.24/2,219.84 = 1,218.96/x
  3. Step 3: Cross multiply
    1,473.24x = 2,219.84 × 1,218.96
  4. Step 4: Simplify right side
    1,473.24x = 2,705,890.07
  5. Step 5: Solve for x
    x = 2,705,890.07/1,473.24
  6. Step 6: Final answer
    x = 1,836.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.