Home / 2,555.79-3,818.14-1,623.88

Finding the Fourth Proportional to 2,555.79, 3,818.14 and 1,623.88

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Solution

The fourth proportional to 2,555.79, 3,818.14 and 1,623.88 is: 2,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.79 : 3,818.14 = 1,623.88 : x
  2. Step 2: Convert to fraction form
    2,555.79/3,818.14 = 1,623.88/x
  3. Step 3: Cross multiply
    2,555.79x = 3,818.14 × 1,623.88
  4. Step 4: Simplify right side
    2,555.79x = 6,200,193.06
  5. Step 5: Solve for x
    x = 6,200,193.06/2,555.79
  6. Step 6: Final answer
    x = 2,425.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.