Home / 1,824.78-2,714.70-1,818.30

Finding the Fourth Proportional to 1,824.78, 2,714.70 and 1,818.30

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Solution

The fourth proportional to 1,824.78, 2,714.70 and 1,818.30 is: 2,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.78 : 2,714.70 = 1,818.30 : x
  2. Step 2: Convert to fraction form
    1,824.78/2,714.70 = 1,818.30/x
  3. Step 3: Cross multiply
    1,824.78x = 2,714.70 × 1,818.30
  4. Step 4: Simplify right side
    1,824.78x = 4,936,139.01
  5. Step 5: Solve for x
    x = 4,936,139.01/1,824.78
  6. Step 6: Final answer
    x = 2,705.06

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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.