Home / 3,927.99-5,416.90-2,581.23

Finding the Fourth Proportional to 3,927.99, 5,416.90 and 2,581.23

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Solution

The fourth proportional to 3,927.99, 5,416.90 and 2,581.23 is: 3,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.99 : 5,416.90 = 2,581.23 : x
  2. Step 2: Convert to fraction form
    3,927.99/5,416.90 = 2,581.23/x
  3. Step 3: Cross multiply
    3,927.99x = 5,416.90 × 2,581.23
  4. Step 4: Simplify right side
    3,927.99x = 13,982,264.79
  5. Step 5: Solve for x
    x = 13,982,264.79/3,927.99
  6. Step 6: Final answer
    x = 3,559.65

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1.5x scale

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.