Home / 3,401.12-4,689.16-2,203.98

Finding the Fourth Proportional to 3,401.12, 4,689.16 and 2,203.98

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Solution

The fourth proportional to 3,401.12, 4,689.16 and 2,203.98 is: 3,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.12 : 4,689.16 = 2,203.98 : x
  2. Step 2: Convert to fraction form
    3,401.12/4,689.16 = 2,203.98/x
  3. Step 3: Cross multiply
    3,401.12x = 4,689.16 × 2,203.98
  4. Step 4: Simplify right side
    3,401.12x = 10,334,814.86
  5. Step 5: Solve for x
    x = 10,334,814.86/3,401.12
  6. Step 6: Final answer
    x = 3,038.65

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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.