Home / 1,635.65-2,257.09-927.64

Finding the Fourth Proportional to 1,635.65, 2,257.09 and 927.64

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Solution

The fourth proportional to 1,635.65, 2,257.09 and 927.64 is: 1,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.65 : 2,257.09 = 927.64 : x
  2. Step 2: Convert to fraction form
    1,635.65/2,257.09 = 927.64/x
  3. Step 3: Cross multiply
    1,635.65x = 2,257.09 × 927.64
  4. Step 4: Simplify right side
    1,635.65x = 2,093,762.33
  5. Step 5: Solve for x
    x = 2,093,762.33/1,635.65
  6. Step 6: Final answer
    x = 1,280.08

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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.