Home / 2,160.30-3,238.29-1,065.45

Finding the Fourth Proportional to 2,160.30, 3,238.29 and 1,065.45

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Solution

The fourth proportional to 2,160.30, 3,238.29 and 1,065.45 is: 1,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.30 : 3,238.29 = 1,065.45 : x
  2. Step 2: Convert to fraction form
    2,160.30/3,238.29 = 1,065.45/x
  3. Step 3: Cross multiply
    2,160.30x = 3,238.29 × 1,065.45
  4. Step 4: Simplify right side
    2,160.30x = 3,450,236.08
  5. Step 5: Solve for x
    x = 3,450,236.08/2,160.30
  6. Step 6: Final answer
    x = 1,597.11

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1.5x scale

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.