Home / 1,693.28-2,337.92-1,064

Finding the Fourth Proportional to 1,693.28, 2,337.92 and 1,064

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Solution

The fourth proportional to 1,693.28, 2,337.92 and 1,064 is: 1,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.28 : 2,337.92 = 1,064 : x
  2. Step 2: Convert to fraction form
    1,693.28/2,337.92 = 1,064/x
  3. Step 3: Cross multiply
    1,693.28x = 2,337.92 × 1,064
  4. Step 4: Simplify right side
    1,693.28x = 2,487,546.88
  5. Step 5: Solve for x
    x = 2,487,546.88/1,693.28
  6. Step 6: Final answer
    x = 1,469.07

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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.