Home / 2,089.20-2,874.46-1,588.92

Finding the Fourth Proportional to 2,089.20, 2,874.46 and 1,588.92

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Solution

The fourth proportional to 2,089.20, 2,874.46 and 1,588.92 is: 2,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.20 : 2,874.46 = 1,588.92 : x
  2. Step 2: Convert to fraction form
    2,089.20/2,874.46 = 1,588.92/x
  3. Step 3: Cross multiply
    2,089.20x = 2,874.46 × 1,588.92
  4. Step 4: Simplify right side
    2,089.20x = 4,567,286.98
  5. Step 5: Solve for x
    x = 4,567,286.98/2,089.20
  6. Step 6: Final answer
    x = 2,186.14

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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.