Home / 2,124.43-2,930.58-1,337.92

Finding the Fourth Proportional to 2,124.43, 2,930.58 and 1,337.92

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Solution

The fourth proportional to 2,124.43, 2,930.58 and 1,337.92 is: 1,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.43 : 2,930.58 = 1,337.92 : x
  2. Step 2: Convert to fraction form
    2,124.43/2,930.58 = 1,337.92/x
  3. Step 3: Cross multiply
    2,124.43x = 2,930.58 × 1,337.92
  4. Step 4: Simplify right side
    2,124.43x = 3,920,874.27
  5. Step 5: Solve for x
    x = 3,920,874.27/2,124.43
  6. Step 6: Final answer
    x = 1,845.61

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1.5x scale

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.