Home / 4,128.74-5,697.88-2,635.46

Finding the Fourth Proportional to 4,128.74, 5,697.88 and 2,635.46

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Solution

The fourth proportional to 4,128.74, 5,697.88 and 2,635.46 is: 3,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.74 : 5,697.88 = 2,635.46 : x
  2. Step 2: Convert to fraction form
    4,128.74/5,697.88 = 2,635.46/x
  3. Step 3: Cross multiply
    4,128.74x = 5,697.88 × 2,635.46
  4. Step 4: Simplify right side
    4,128.74x = 15,016,534.82
  5. Step 5: Solve for x
    x = 15,016,534.82/4,128.74
  6. Step 6: Final answer
    x = 3,637.07

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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.