Home / 4,128.30-5,695.02-2,556.18

Finding the Fourth Proportional to 4,128.30, 5,695.02 and 2,556.18

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Solution

The fourth proportional to 4,128.30, 5,695.02 and 2,556.18 is: 3,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.30 : 5,695.02 = 2,556.18 : x
  2. Step 2: Convert to fraction form
    4,128.30/5,695.02 = 2,556.18/x
  3. Step 3: Cross multiply
    4,128.30x = 5,695.02 × 2,556.18
  4. Step 4: Simplify right side
    4,128.30x = 14,557,496.22
  5. Step 5: Solve for x
    x = 14,557,496.22/4,128.30
  6. Step 6: Final answer
    x = 3,526.27

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1.5x scale

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.