Home / 2,556.61-3,528.30-1,509.28

Finding the Fourth Proportional to 2,556.61, 3,528.30 and 1,509.28

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Solution

The fourth proportional to 2,556.61, 3,528.30 and 1,509.28 is: 2,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.61 : 3,528.30 = 1,509.28 : x
  2. Step 2: Convert to fraction form
    2,556.61/3,528.30 = 1,509.28/x
  3. Step 3: Cross multiply
    2,556.61x = 3,528.30 × 1,509.28
  4. Step 4: Simplify right side
    2,556.61x = 5,325,192.62
  5. Step 5: Solve for x
    x = 5,325,192.62/2,556.61
  6. Step 6: Final answer
    x = 2,082.91

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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.