Home / 2,521.30-3,783-1,133.68

Finding the Fourth Proportional to 2,521.30, 3,783 and 1,133.68

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Solution

The fourth proportional to 2,521.30, 3,783 and 1,133.68 is: 1,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.30 : 3,783 = 1,133.68 : x
  2. Step 2: Convert to fraction form
    2,521.30/3,783 = 1,133.68/x
  3. Step 3: Cross multiply
    2,521.30x = 3,783 × 1,133.68
  4. Step 4: Simplify right side
    2,521.30x = 4,288,711.44
  5. Step 5: Solve for x
    x = 4,288,711.44/2,521.30
  6. Step 6: Final answer
    x = 1,700.99

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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.