Home / 1,915.08-2,853.36-1,789.33

Finding the Fourth Proportional to 1,915.08, 2,853.36 and 1,789.33

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Solution

The fourth proportional to 1,915.08, 2,853.36 and 1,789.33 is: 2,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.08 : 2,853.36 = 1,789.33 : x
  2. Step 2: Convert to fraction form
    1,915.08/2,853.36 = 1,789.33/x
  3. Step 3: Cross multiply
    1,915.08x = 2,853.36 × 1,789.33
  4. Step 4: Simplify right side
    1,915.08x = 5,105,602.65
  5. Step 5: Solve for x
    x = 5,105,602.65/1,915.08
  6. Step 6: Final answer
    x = 2,666.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.