Home / 3,528.78-4,869.36-2,037.18

Finding the Fourth Proportional to 3,528.78, 4,869.36 and 2,037.18

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Solution

The fourth proportional to 3,528.78, 4,869.36 and 2,037.18 is: 2,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.78 : 4,869.36 = 2,037.18 : x
  2. Step 2: Convert to fraction form
    3,528.78/4,869.36 = 2,037.18/x
  3. Step 3: Cross multiply
    3,528.78x = 4,869.36 × 2,037.18
  4. Step 4: Simplify right side
    3,528.78x = 9,919,739.98
  5. Step 5: Solve for x
    x = 9,919,739.98/3,528.78
  6. Step 6: Final answer
    x = 2,811.10

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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.