Home / 2,921.99-4,372.50-2,726.48

Finding the Fourth Proportional to 2,921.99, 4,372.50 and 2,726.48

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Solution

The fourth proportional to 2,921.99, 4,372.50 and 2,726.48 is: 4,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.99 : 4,372.50 = 2,726.48 : x
  2. Step 2: Convert to fraction form
    2,921.99/4,372.50 = 2,726.48/x
  3. Step 3: Cross multiply
    2,921.99x = 4,372.50 × 2,726.48
  4. Step 4: Simplify right side
    2,921.99x = 11,921,533.80
  5. Step 5: Solve for x
    x = 11,921,533.80/2,921.99
  6. Step 6: Final answer
    x = 4,079.94

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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.