Home / 2,182.88-3,013.44-1,520.24

Finding the Fourth Proportional to 2,182.88, 3,013.44 and 1,520.24

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Solution

The fourth proportional to 2,182.88, 3,013.44 and 1,520.24 is: 2,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.88 : 3,013.44 = 1,520.24 : x
  2. Step 2: Convert to fraction form
    2,182.88/3,013.44 = 1,520.24/x
  3. Step 3: Cross multiply
    2,182.88x = 3,013.44 × 1,520.24
  4. Step 4: Simplify right side
    2,182.88x = 4,581,152.03
  5. Step 5: Solve for x
    x = 4,581,152.03/2,182.88
  6. Step 6: Final answer
    x = 2,098.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.