Home / 2,657.09-3,666.71-1,537.87

Finding the Fourth Proportional to 2,657.09, 3,666.71 and 1,537.87

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Solution

The fourth proportional to 2,657.09, 3,666.71 and 1,537.87 is: 2,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.09 : 3,666.71 = 1,537.87 : x
  2. Step 2: Convert to fraction form
    2,657.09/3,666.71 = 1,537.87/x
  3. Step 3: Cross multiply
    2,657.09x = 3,666.71 × 1,537.87
  4. Step 4: Simplify right side
    2,657.09x = 5,638,917.99
  5. Step 5: Solve for x
    x = 5,638,917.99/2,657.09
  6. Step 6: Final answer
    x = 2,122.22

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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.