Home / 3,211.84-4,808.58-3,007.72

Finding the Fourth Proportional to 3,211.84, 4,808.58 and 3,007.72

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Solution

The fourth proportional to 3,211.84, 4,808.58 and 3,007.72 is: 4,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.84 : 4,808.58 = 3,007.72 : x
  2. Step 2: Convert to fraction form
    3,211.84/4,808.58 = 3,007.72/x
  3. Step 3: Cross multiply
    3,211.84x = 4,808.58 × 3,007.72
  4. Step 4: Simplify right side
    3,211.84x = 14,462,862.24
  5. Step 5: Solve for x
    x = 14,462,862.24/3,211.84
  6. Step 6: Final answer
    x = 4,502.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.