Home / 1,579.12-2,364.48-1,394.56

Finding the Fourth Proportional to 1,579.12, 2,364.48 and 1,394.56

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Solution

The fourth proportional to 1,579.12, 2,364.48 and 1,394.56 is: 2,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.12 : 2,364.48 = 1,394.56 : x
  2. Step 2: Convert to fraction form
    1,579.12/2,364.48 = 1,394.56/x
  3. Step 3: Cross multiply
    1,579.12x = 2,364.48 × 1,394.56
  4. Step 4: Simplify right side
    1,579.12x = 3,297,409.23
  5. Step 5: Solve for x
    x = 3,297,409.23/1,579.12
  6. Step 6: Final answer
    x = 2,088.13

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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.