Home / 2,830.08-4,243.84-1,660.64

Finding the Fourth Proportional to 2,830.08, 4,243.84 and 1,660.64

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Solution

The fourth proportional to 2,830.08, 4,243.84 and 1,660.64 is: 2,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.08 : 4,243.84 = 1,660.64 : x
  2. Step 2: Convert to fraction form
    2,830.08/4,243.84 = 1,660.64/x
  3. Step 3: Cross multiply
    2,830.08x = 4,243.84 × 1,660.64
  4. Step 4: Simplify right side
    2,830.08x = 7,047,490.46
  5. Step 5: Solve for x
    x = 7,047,490.46/2,830.08
  6. Step 6: Final answer
    x = 2,490.21

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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.