Home / 1,579.62-2,370.26-1,120.36

Finding the Fourth Proportional to 1,579.62, 2,370.26 and 1,120.36

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Solution

The fourth proportional to 1,579.62, 2,370.26 and 1,120.36 is: 1,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.62 : 2,370.26 = 1,120.36 : x
  2. Step 2: Convert to fraction form
    1,579.62/2,370.26 = 1,120.36/x
  3. Step 3: Cross multiply
    1,579.62x = 2,370.26 × 1,120.36
  4. Step 4: Simplify right side
    1,579.62x = 2,655,544.49
  5. Step 5: Solve for x
    x = 2,655,544.49/1,579.62
  6. Step 6: Final answer
    x = 1,681.13

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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.