Home / 2,360.85-3,539.73-1,320.97

Finding the Fourth Proportional to 2,360.85, 3,539.73 and 1,320.97

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Solution

The fourth proportional to 2,360.85, 3,539.73 and 1,320.97 is: 1,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.85 : 3,539.73 = 1,320.97 : x
  2. Step 2: Convert to fraction form
    2,360.85/3,539.73 = 1,320.97/x
  3. Step 3: Cross multiply
    2,360.85x = 3,539.73 × 1,320.97
  4. Step 4: Simplify right side
    2,360.85x = 4,675,873.24
  5. Step 5: Solve for x
    x = 4,675,873.24/2,360.85
  6. Step 6: Final answer
    x = 1,980.59

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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.