Home / 1,898.15-2,861.28-1,575.59

Finding the Fourth Proportional to 1,898.15, 2,861.28 and 1,575.59

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Solution

The fourth proportional to 1,898.15, 2,861.28 and 1,575.59 is: 2,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.15 : 2,861.28 = 1,575.59 : x
  2. Step 2: Convert to fraction form
    1,898.15/2,861.28 = 1,575.59/x
  3. Step 3: Cross multiply
    1,898.15x = 2,861.28 × 1,575.59
  4. Step 4: Simplify right side
    1,898.15x = 4,508,189.85
  5. Step 5: Solve for x
    x = 4,508,189.85/1,898.15
  6. Step 6: Final answer
    x = 2,375.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.