Home / 2,128.41-3,192.58-589.37

Finding the Fourth Proportional to 2,128.41, 3,192.58 and 589.37

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Solution

The fourth proportional to 2,128.41, 3,192.58 and 589.37 is: 884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128.41 : 3,192.58 = 589.37 : x
  2. Step 2: Convert to fraction form
    2,128.41/3,192.58 = 589.37/x
  3. Step 3: Cross multiply
    2,128.41x = 3,192.58 × 589.37
  4. Step 4: Simplify right side
    2,128.41x = 1,881,607.93
  5. Step 5: Solve for x
    x = 1,881,607.93/2,128.41
  6. Step 6: Final answer
    x = 884.04

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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.