Home / 2,421.93-3,334.06-2,173.16

Finding the Fourth Proportional to 2,421.93, 3,334.06 and 2,173.16

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Solution

The fourth proportional to 2,421.93, 3,334.06 and 2,173.16 is: 2,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.93 : 3,334.06 = 2,173.16 : x
  2. Step 2: Convert to fraction form
    2,421.93/3,334.06 = 2,173.16/x
  3. Step 3: Cross multiply
    2,421.93x = 3,334.06 × 2,173.16
  4. Step 4: Simplify right side
    2,421.93x = 7,245,456.72
  5. Step 5: Solve for x
    x = 7,245,456.72/2,421.93
  6. Step 6: Final answer
    x = 2,991.60

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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.