Home / 3,521.19-5,277.60-2,113.59

Finding the Fourth Proportional to 3,521.19, 5,277.60 and 2,113.59

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Solution

The fourth proportional to 3,521.19, 5,277.60 and 2,113.59 is: 3,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.19 : 5,277.60 = 2,113.59 : x
  2. Step 2: Convert to fraction form
    3,521.19/5,277.60 = 2,113.59/x
  3. Step 3: Cross multiply
    3,521.19x = 5,277.60 × 2,113.59
  4. Step 4: Simplify right side
    3,521.19x = 11,154,682.58
  5. Step 5: Solve for x
    x = 11,154,682.58/3,521.19
  6. Step 6: Final answer
    x = 3,167.87

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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.