Home / 1,601.48-2,209.38-1,012.61

Finding the Fourth Proportional to 1,601.48, 2,209.38 and 1,012.61

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Solution

The fourth proportional to 1,601.48, 2,209.38 and 1,012.61 is: 1,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.48 : 2,209.38 = 1,012.61 : x
  2. Step 2: Convert to fraction form
    1,601.48/2,209.38 = 1,012.61/x
  3. Step 3: Cross multiply
    1,601.48x = 2,209.38 × 1,012.61
  4. Step 4: Simplify right side
    1,601.48x = 2,237,229.23
  5. Step 5: Solve for x
    x = 2,237,229.23/1,601.48
  6. Step 6: Final answer
    x = 1,396.98

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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.