Home / 3,401.88-4,689.98-3,328.28

Finding the Fourth Proportional to 3,401.88, 4,689.98 and 3,328.28

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Solution

The fourth proportional to 3,401.88, 4,689.98 and 3,328.28 is: 4,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.88 : 4,689.98 = 3,328.28 : x
  2. Step 2: Convert to fraction form
    3,401.88/4,689.98 = 3,328.28/x
  3. Step 3: Cross multiply
    3,401.88x = 4,689.98 × 3,328.28
  4. Step 4: Simplify right side
    3,401.88x = 15,609,566.63
  5. Step 5: Solve for x
    x = 15,609,566.63/3,401.88
  6. Step 6: Final answer
    x = 4,588.51

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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.