Home / 2,890.24-4,336-1,591.04

Finding the Fourth Proportional to 2,890.24, 4,336 and 1,591.04

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Solution

The fourth proportional to 2,890.24, 4,336 and 1,591.04 is: 2,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.24 : 4,336 = 1,591.04 : x
  2. Step 2: Convert to fraction form
    2,890.24/4,336 = 1,591.04/x
  3. Step 3: Cross multiply
    2,890.24x = 4,336 × 1,591.04
  4. Step 4: Simplify right side
    2,890.24x = 6,898,749.44
  5. Step 5: Solve for x
    x = 6,898,749.44/2,890.24
  6. Step 6: Final answer
    x = 2,386.91

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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.