Home / 3,717.52-5,128.84-2,600.24

Finding the Fourth Proportional to 3,717.52, 5,128.84 and 2,600.24

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Solution

The fourth proportional to 3,717.52, 5,128.84 and 2,600.24 is: 3,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.52 : 5,128.84 = 2,600.24 : x
  2. Step 2: Convert to fraction form
    3,717.52/5,128.84 = 2,600.24/x
  3. Step 3: Cross multiply
    3,717.52x = 5,128.84 × 2,600.24
  4. Step 4: Simplify right side
    3,717.52x = 13,336,214.92
  5. Step 5: Solve for x
    x = 13,336,214.92/3,717.52
  6. Step 6: Final answer
    x = 3,587.40

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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.