Home / 2,681.39-4,003.74-2,401.94

Finding the Fourth Proportional to 2,681.39, 4,003.74 and 2,401.94

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Solution

The fourth proportional to 2,681.39, 4,003.74 and 2,401.94 is: 3,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.39 : 4,003.74 = 2,401.94 : x
  2. Step 2: Convert to fraction form
    2,681.39/4,003.74 = 2,401.94/x
  3. Step 3: Cross multiply
    2,681.39x = 4,003.74 × 2,401.94
  4. Step 4: Simplify right side
    2,681.39x = 9,616,723.24
  5. Step 5: Solve for x
    x = 9,616,723.24/2,681.39
  6. Step 6: Final answer
    x = 3,586.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.