Home / 2,814.52-4,215.30-1,580.08

Finding the Fourth Proportional to 2,814.52, 4,215.30 and 1,580.08

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Solution

The fourth proportional to 2,814.52, 4,215.30 and 1,580.08 is: 2,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.52 : 4,215.30 = 1,580.08 : x
  2. Step 2: Convert to fraction form
    2,814.52/4,215.30 = 1,580.08/x
  3. Step 3: Cross multiply
    2,814.52x = 4,215.30 × 1,580.08
  4. Step 4: Simplify right side
    2,814.52x = 6,660,511.22
  5. Step 5: Solve for x
    x = 6,660,511.22/2,814.52
  6. Step 6: Final answer
    x = 2,366.48

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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.