Home / 3,455.64-5,182.02-1,810.44

Finding the Fourth Proportional to 3,455.64, 5,182.02 and 1,810.44

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Solution

The fourth proportional to 3,455.64, 5,182.02 and 1,810.44 is: 2,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.64 : 5,182.02 = 1,810.44 : x
  2. Step 2: Convert to fraction form
    3,455.64/5,182.02 = 1,810.44/x
  3. Step 3: Cross multiply
    3,455.64x = 5,182.02 × 1,810.44
  4. Step 4: Simplify right side
    3,455.64x = 9,381,736.29
  5. Step 5: Solve for x
    x = 9,381,736.29/3,455.64
  6. Step 6: Final answer
    x = 2,714.91

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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.