Home / 2,101.32-2,898.18-1,824.84

Finding the Fourth Proportional to 2,101.32, 2,898.18 and 1,824.84

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Solution

The fourth proportional to 2,101.32, 2,898.18 and 1,824.84 is: 2,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.32 : 2,898.18 = 1,824.84 : x
  2. Step 2: Convert to fraction form
    2,101.32/2,898.18 = 1,824.84/x
  3. Step 3: Cross multiply
    2,101.32x = 2,898.18 × 1,824.84
  4. Step 4: Simplify right side
    2,101.32x = 5,288,714.79
  5. Step 5: Solve for x
    x = 5,288,714.79/2,101.32
  6. Step 6: Final answer
    x = 2,516.85

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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.