Home / 2,089.08-3,134.28-1,433.76

Finding the Fourth Proportional to 2,089.08, 3,134.28 and 1,433.76

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Solution

The fourth proportional to 2,089.08, 3,134.28 and 1,433.76 is: 2,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.08 : 3,134.28 = 1,433.76 : x
  2. Step 2: Convert to fraction form
    2,089.08/3,134.28 = 1,433.76/x
  3. Step 3: Cross multiply
    2,089.08x = 3,134.28 × 1,433.76
  4. Step 4: Simplify right side
    2,089.08x = 4,493,805.29
  5. Step 5: Solve for x
    x = 4,493,805.29/2,089.08
  6. Step 6: Final answer
    x = 2,151.09

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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.