Home / 2,921.08-4,379.52-1,882.30

Finding the Fourth Proportional to 2,921.08, 4,379.52 and 1,882.30

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Solution

The fourth proportional to 2,921.08, 4,379.52 and 1,882.30 is: 2,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.08 : 4,379.52 = 1,882.30 : x
  2. Step 2: Convert to fraction form
    2,921.08/4,379.52 = 1,882.30/x
  3. Step 3: Cross multiply
    2,921.08x = 4,379.52 × 1,882.30
  4. Step 4: Simplify right side
    2,921.08x = 8,243,570.50
  5. Step 5: Solve for x
    x = 8,243,570.50/2,921.08
  6. Step 6: Final answer
    x = 2,822.10

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1.5x scale

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.