Home / 1,586.10-2,380.82-1,296.93

Finding the Fourth Proportional to 1,586.10, 2,380.82 and 1,296.93

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Solution

The fourth proportional to 1,586.10, 2,380.82 and 1,296.93 is: 1,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.10 : 2,380.82 = 1,296.93 : x
  2. Step 2: Convert to fraction form
    1,586.10/2,380.82 = 1,296.93/x
  3. Step 3: Cross multiply
    1,586.10x = 2,380.82 × 1,296.93
  4. Step 4: Simplify right side
    1,586.10x = 3,087,756.88
  5. Step 5: Solve for x
    x = 3,087,756.88/1,586.10
  6. Step 6: Final answer
    x = 1,946.76

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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.