Home / 2,660.15-3,670.81-1,525.95

Finding the Fourth Proportional to 2,660.15, 3,670.81 and 1,525.95

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Solution

The fourth proportional to 2,660.15, 3,670.81 and 1,525.95 is: 2,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.15 : 3,670.81 = 1,525.95 : x
  2. Step 2: Convert to fraction form
    2,660.15/3,670.81 = 1,525.95/x
  3. Step 3: Cross multiply
    2,660.15x = 3,670.81 × 1,525.95
  4. Step 4: Simplify right side
    2,660.15x = 5,601,468.70
  5. Step 5: Solve for x
    x = 5,601,468.70/2,660.15
  6. Step 6: Final answer
    x = 2,105.69

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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.