Home / 2,521.79-3,783.76-2,306.87

Finding the Fourth Proportional to 2,521.79, 3,783.76 and 2,306.87

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Solution

The fourth proportional to 2,521.79, 3,783.76 and 2,306.87 is: 3,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.79 : 3,783.76 = 2,306.87 : x
  2. Step 2: Convert to fraction form
    2,521.79/3,783.76 = 2,306.87/x
  3. Step 3: Cross multiply
    2,521.79x = 3,783.76 × 2,306.87
  4. Step 4: Simplify right side
    2,521.79x = 8,728,611.98
  5. Step 5: Solve for x
    x = 8,728,611.98/2,521.79
  6. Step 6: Final answer
    x = 3,461.28

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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.