Home / 3,127.32-4,309.74-2,241.63

Finding the Fourth Proportional to 3,127.32, 4,309.74 and 2,241.63

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Solution

The fourth proportional to 3,127.32, 4,309.74 and 2,241.63 is: 3,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.32 : 4,309.74 = 2,241.63 : x
  2. Step 2: Convert to fraction form
    3,127.32/4,309.74 = 2,241.63/x
  3. Step 3: Cross multiply
    3,127.32x = 4,309.74 × 2,241.63
  4. Step 4: Simplify right side
    3,127.32x = 9,660,842.48
  5. Step 5: Solve for x
    x = 9,660,842.48/3,127.32
  6. Step 6: Final answer
    x = 3,089.18

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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.