Home / 2,981.43-4,475.39-2,521.35

Finding the Fourth Proportional to 2,981.43, 4,475.39 and 2,521.35

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Solution

The fourth proportional to 2,981.43, 4,475.39 and 2,521.35 is: 3,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.43 : 4,475.39 = 2,521.35 : x
  2. Step 2: Convert to fraction form
    2,981.43/4,475.39 = 2,521.35/x
  3. Step 3: Cross multiply
    2,981.43x = 4,475.39 × 2,521.35
  4. Step 4: Simplify right side
    2,981.43x = 11,284,011.97
  5. Step 5: Solve for x
    x = 11,284,011.97/2,981.43
  6. Step 6: Final answer
    x = 3,784.77

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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.