Home / 2,160.93-3,240.59-1,065.81

Finding the Fourth Proportional to 2,160.93, 3,240.59 and 1,065.81

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Solution

The fourth proportional to 2,160.93, 3,240.59 and 1,065.81 is: 1,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.93 : 3,240.59 = 1,065.81 : x
  2. Step 2: Convert to fraction form
    2,160.93/3,240.59 = 1,065.81/x
  3. Step 3: Cross multiply
    2,160.93x = 3,240.59 × 1,065.81
  4. Step 4: Simplify right side
    2,160.93x = 3,453,847.90
  5. Step 5: Solve for x
    x = 3,453,847.90/2,160.93
  6. Step 6: Final answer
    x = 1,598.32

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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.