Home / 4,128.59-5,695.36-2,634.95

Finding the Fourth Proportional to 4,128.59, 5,695.36 and 2,634.95

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Solution

The fourth proportional to 4,128.59, 5,695.36 and 2,634.95 is: 3,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.59 : 5,695.36 = 2,634.95 : x
  2. Step 2: Convert to fraction form
    4,128.59/5,695.36 = 2,634.95/x
  3. Step 3: Cross multiply
    4,128.59x = 5,695.36 × 2,634.95
  4. Step 4: Simplify right side
    4,128.59x = 15,006,953.77
  5. Step 5: Solve for x
    x = 15,006,953.77/4,128.59
  6. Step 6: Final answer
    x = 3,634.89

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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.