Home / 1,749.35-2,618.58-1,308

Finding the Fourth Proportional to 1,749.35, 2,618.58 and 1,308

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Solution

The fourth proportional to 1,749.35, 2,618.58 and 1,308 is: 1,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.35 : 2,618.58 = 1,308 : x
  2. Step 2: Convert to fraction form
    1,749.35/2,618.58 = 1,308/x
  3. Step 3: Cross multiply
    1,749.35x = 2,618.58 × 1,308
  4. Step 4: Simplify right side
    1,749.35x = 3,425,102.64
  5. Step 5: Solve for x
    x = 3,425,102.64/1,749.35
  6. Step 6: Final answer
    x = 1,957.93

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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.