Home / 1,601.65-2,210.28-938.37

Finding the Fourth Proportional to 1,601.65, 2,210.28 and 938.37

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Solution

The fourth proportional to 1,601.65, 2,210.28 and 938.37 is: 1,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.65 : 2,210.28 = 938.37 : x
  2. Step 2: Convert to fraction form
    1,601.65/2,210.28 = 938.37/x
  3. Step 3: Cross multiply
    1,601.65x = 2,210.28 × 938.37
  4. Step 4: Simplify right side
    1,601.65x = 2,074,060.44
  5. Step 5: Solve for x
    x = 2,074,060.44/1,601.65
  6. Step 6: Final answer
    x = 1,294.95

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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.