Home / 3,401.12-4,695.72-2,653.76

Finding the Fourth Proportional to 3,401.12, 4,695.72 and 2,653.76

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Solution

The fourth proportional to 3,401.12, 4,695.72 and 2,653.76 is: 3,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.12 : 4,695.72 = 2,653.76 : x
  2. Step 2: Convert to fraction form
    3,401.12/4,695.72 = 2,653.76/x
  3. Step 3: Cross multiply
    3,401.12x = 4,695.72 × 2,653.76
  4. Step 4: Simplify right side
    3,401.12x = 12,461,313.91
  5. Step 5: Solve for x
    x = 12,461,313.91/3,401.12
  6. Step 6: Final answer
    x = 3,663.89

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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.