Home / 2,556.28-3,528.12-1,508.95

Finding the Fourth Proportional to 2,556.28, 3,528.12 and 1,508.95

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Solution

The fourth proportional to 2,556.28, 3,528.12 and 1,508.95 is: 2,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.28 : 3,528.12 = 1,508.95 : x
  2. Step 2: Convert to fraction form
    2,556.28/3,528.12 = 1,508.95/x
  3. Step 3: Cross multiply
    2,556.28x = 3,528.12 × 1,508.95
  4. Step 4: Simplify right side
    2,556.28x = 5,323,756.67
  5. Step 5: Solve for x
    x = 5,323,756.67/2,556.28
  6. Step 6: Final answer
    x = 2,082.62

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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.