Home / 2,137.08-3,206.19-904.55

Finding the Fourth Proportional to 2,137.08, 3,206.19 and 904.55

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Solution

The fourth proportional to 2,137.08, 3,206.19 and 904.55 is: 1,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.08 : 3,206.19 = 904.55 : x
  2. Step 2: Convert to fraction form
    2,137.08/3,206.19 = 904.55/x
  3. Step 3: Cross multiply
    2,137.08x = 3,206.19 × 904.55
  4. Step 4: Simplify right side
    2,137.08x = 2,900,146.53
  5. Step 5: Solve for x
    x = 2,900,146.53/2,137.08
  6. Step 6: Final answer
    x = 1,357.06

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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.