Home / 2,657.18-3,666.65-1,537.89

Finding the Fourth Proportional to 2,657.18, 3,666.65 and 1,537.89

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Solution

The fourth proportional to 2,657.18, 3,666.65 and 1,537.89 is: 2,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.18 : 3,666.65 = 1,537.89 : x
  2. Step 2: Convert to fraction form
    2,657.18/3,666.65 = 1,537.89/x
  3. Step 3: Cross multiply
    2,657.18x = 3,666.65 × 1,537.89
  4. Step 4: Simplify right side
    2,657.18x = 5,638,896.68
  5. Step 5: Solve for x
    x = 5,638,896.68/2,657.18
  6. Step 6: Final answer
    x = 2,122.14

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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.