Home / 2,137.46-3,206.76-904.92

Finding the Fourth Proportional to 2,137.46, 3,206.76 and 904.92

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Solution

The fourth proportional to 2,137.46, 3,206.76 and 904.92 is: 1,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.46 : 3,206.76 = 904.92 : x
  2. Step 2: Convert to fraction form
    2,137.46/3,206.76 = 904.92/x
  3. Step 3: Cross multiply
    2,137.46x = 3,206.76 × 904.92
  4. Step 4: Simplify right side
    2,137.46x = 2,901,861.26
  5. Step 5: Solve for x
    x = 2,901,861.26/2,137.46
  6. Step 6: Final answer
    x = 1,357.62

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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.