Home / 2,556.11-3,528.11-1,508.87

Finding the Fourth Proportional to 2,556.11, 3,528.11 and 1,508.87

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Solution

The fourth proportional to 2,556.11, 3,528.11 and 1,508.87 is: 2,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.11 : 3,528.11 = 1,508.87 : x
  2. Step 2: Convert to fraction form
    2,556.11/3,528.11 = 1,508.87/x
  3. Step 3: Cross multiply
    2,556.11x = 3,528.11 × 1,508.87
  4. Step 4: Simplify right side
    2,556.11x = 5,323,459.34
  5. Step 5: Solve for x
    x = 5,323,459.34/2,556.11
  6. Step 6: Final answer
    x = 2,082.64

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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.