Home / 3,660.78-5,054.18-2,600.76

Finding the Fourth Proportional to 3,660.78, 5,054.18 and 2,600.76

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Solution

The fourth proportional to 3,660.78, 5,054.18 and 2,600.76 is: 3,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.78 : 5,054.18 = 2,600.76 : x
  2. Step 2: Convert to fraction form
    3,660.78/5,054.18 = 2,600.76/x
  3. Step 3: Cross multiply
    3,660.78x = 5,054.18 × 2,600.76
  4. Step 4: Simplify right side
    3,660.78x = 13,144,696.17
  5. Step 5: Solve for x
    x = 13,144,696.17/3,660.78
  6. Step 6: Final answer
    x = 3,590.68

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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.