Home / 3,890.13-5,835.17-1,116.82

Finding the Fourth Proportional to 3,890.13, 5,835.17 and 1,116.82

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Solution

The fourth proportional to 3,890.13, 5,835.17 and 1,116.82 is: 1,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.13 : 5,835.17 = 1,116.82 : x
  2. Step 2: Convert to fraction form
    3,890.13/5,835.17 = 1,116.82/x
  3. Step 3: Cross multiply
    3,890.13x = 5,835.17 × 1,116.82
  4. Step 4: Simplify right side
    3,890.13x = 6,516,822.76
  5. Step 5: Solve for x
    x = 6,516,822.76/3,890.13
  6. Step 6: Final answer
    x = 1,675.22

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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.