Home / 2,551.77-3,520.68-1,556.01

Finding the Fourth Proportional to 2,551.77, 3,520.68 and 1,556.01

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Solution

The fourth proportional to 2,551.77, 3,520.68 and 1,556.01 is: 2,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.77 : 3,520.68 = 1,556.01 : x
  2. Step 2: Convert to fraction form
    2,551.77/3,520.68 = 1,556.01/x
  3. Step 3: Cross multiply
    2,551.77x = 3,520.68 × 1,556.01
  4. Step 4: Simplify right side
    2,551.77x = 5,478,213.29
  5. Step 5: Solve for x
    x = 5,478,213.29/2,551.77
  6. Step 6: Final answer
    x = 2,146.83

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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.