Home / 2,094.76-2,889.48-1,308.66

Finding the Fourth Proportional to 2,094.76, 2,889.48 and 1,308.66

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Solution

The fourth proportional to 2,094.76, 2,889.48 and 1,308.66 is: 1,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.76 : 2,889.48 = 1,308.66 : x
  2. Step 2: Convert to fraction form
    2,094.76/2,889.48 = 1,308.66/x
  3. Step 3: Cross multiply
    2,094.76x = 2,889.48 × 1,308.66
  4. Step 4: Simplify right side
    2,094.76x = 3,781,346.90
  5. Step 5: Solve for x
    x = 3,781,346.90/2,094.76
  6. Step 6: Final answer
    x = 1,805.15

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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.