Home / 3,816.01-5,713.76-2,421.80

Finding the Fourth Proportional to 3,816.01, 5,713.76 and 2,421.80

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Solution

The fourth proportional to 3,816.01, 5,713.76 and 2,421.80 is: 3,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.01 : 5,713.76 = 2,421.80 : x
  2. Step 2: Convert to fraction form
    3,816.01/5,713.76 = 2,421.80/x
  3. Step 3: Cross multiply
    3,816.01x = 5,713.76 × 2,421.80
  4. Step 4: Simplify right side
    3,816.01x = 13,837,549.34
  5. Step 5: Solve for x
    x = 13,837,549.34/3,816.01
  6. Step 6: Final answer
    x = 3,626.19

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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.