Home / 2,421.18-3,344.36-2,003.22

Finding the Fourth Proportional to 2,421.18, 3,344.36 and 2,003.22

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Solution

The fourth proportional to 2,421.18, 3,344.36 and 2,003.22 is: 2,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.18 : 3,344.36 = 2,003.22 : x
  2. Step 2: Convert to fraction form
    2,421.18/3,344.36 = 2,003.22/x
  3. Step 3: Cross multiply
    2,421.18x = 3,344.36 × 2,003.22
  4. Step 4: Simplify right side
    2,421.18x = 6,699,478.82
  5. Step 5: Solve for x
    x = 6,699,478.82/2,421.18
  6. Step 6: Final answer
    x = 2,767.03

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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.