Home / 2,349.30-3,240.56-1,511.09

Finding the Fourth Proportional to 2,349.30, 3,240.56 and 1,511.09

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Solution

The fourth proportional to 2,349.30, 3,240.56 and 1,511.09 is: 2,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.30 : 3,240.56 = 1,511.09 : x
  2. Step 2: Convert to fraction form
    2,349.30/3,240.56 = 1,511.09/x
  3. Step 3: Cross multiply
    2,349.30x = 3,240.56 × 1,511.09
  4. Step 4: Simplify right side
    2,349.30x = 4,896,789.69
  5. Step 5: Solve for x
    x = 4,896,789.69/2,349.30
  6. Step 6: Final answer
    x = 2,084.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.