Home / 1,657.29-2,487.14-1,336.53

Finding the Fourth Proportional to 1,657.29, 2,487.14 and 1,336.53

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Solution

The fourth proportional to 1,657.29, 2,487.14 and 1,336.53 is: 2,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.29 : 2,487.14 = 1,336.53 : x
  2. Step 2: Convert to fraction form
    1,657.29/2,487.14 = 1,336.53/x
  3. Step 3: Cross multiply
    1,657.29x = 2,487.14 × 1,336.53
  4. Step 4: Simplify right side
    1,657.29x = 3,324,137.22
  5. Step 5: Solve for x
    x = 3,324,137.22/1,657.29
  6. Step 6: Final answer
    x = 2,005.77

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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.