Home / 1,337.40-2,005.26-607.96

Finding the Fourth Proportional to 1,337.40, 2,005.26 and 607.96

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Solution

The fourth proportional to 1,337.40, 2,005.26 and 607.96 is: 911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.40 : 2,005.26 = 607.96 : x
  2. Step 2: Convert to fraction form
    1,337.40/2,005.26 = 607.96/x
  3. Step 3: Cross multiply
    1,337.40x = 2,005.26 × 607.96
  4. Step 4: Simplify right side
    1,337.40x = 1,219,117.87
  5. Step 5: Solve for x
    x = 1,219,117.87/1,337.40
  6. Step 6: Final answer
    x = 911.56

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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.