Home / 2,951.30-4,429.68-1,491.48

Finding the Fourth Proportional to 2,951.30, 4,429.68 and 1,491.48

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Solution

The fourth proportional to 2,951.30, 4,429.68 and 1,491.48 is: 2,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.30 : 4,429.68 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    2,951.30/4,429.68 = 1,491.48/x
  3. Step 3: Cross multiply
    2,951.30x = 4,429.68 × 1,491.48
  4. Step 4: Simplify right side
    2,951.30x = 6,606,779.13
  5. Step 5: Solve for x
    x = 6,606,779.13/2,951.30
  6. Step 6: Final answer
    x = 2,238.60

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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.