Home / 3,211.17-4,431.27-1,885.02

Finding the Fourth Proportional to 3,211.17, 4,431.27 and 1,885.02

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Solution

The fourth proportional to 3,211.17, 4,431.27 and 1,885.02 is: 2,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.17 : 4,431.27 = 1,885.02 : x
  2. Step 2: Convert to fraction form
    3,211.17/4,431.27 = 1,885.02/x
  3. Step 3: Cross multiply
    3,211.17x = 4,431.27 × 1,885.02
  4. Step 4: Simplify right side
    3,211.17x = 8,353,032.58
  5. Step 5: Solve for x
    x = 8,353,032.58/3,211.17
  6. Step 6: Final answer
    x = 2,601.24

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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.