Home / 3,601.64-5,403.18-1,521.65

Finding the Fourth Proportional to 3,601.64, 5,403.18 and 1,521.65

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Solution

The fourth proportional to 3,601.64, 5,403.18 and 1,521.65 is: 2,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.64 : 5,403.18 = 1,521.65 : x
  2. Step 2: Convert to fraction form
    3,601.64/5,403.18 = 1,521.65/x
  3. Step 3: Cross multiply
    3,601.64x = 5,403.18 × 1,521.65
  4. Step 4: Simplify right side
    3,601.64x = 8,221,721.83
  5. Step 5: Solve for x
    x = 8,221,721.83/3,601.64
  6. Step 6: Final answer
    x = 2,282.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.