Home / 1,927.35-2,659.75-1,088.09

Finding the Fourth Proportional to 1,927.35, 2,659.75 and 1,088.09

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Solution

The fourth proportional to 1,927.35, 2,659.75 and 1,088.09 is: 1,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.35 : 2,659.75 = 1,088.09 : x
  2. Step 2: Convert to fraction form
    1,927.35/2,659.75 = 1,088.09/x
  3. Step 3: Cross multiply
    1,927.35x = 2,659.75 × 1,088.09
  4. Step 4: Simplify right side
    1,927.35x = 2,894,043.45
  5. Step 5: Solve for x
    x = 2,894,043.45/1,927.35
  6. Step 6: Final answer
    x = 1,501.57

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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.