Home / 2,160.42-3,237.88-926.36

Finding the Fourth Proportional to 2,160.42, 3,237.88 and 926.36

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Solution

The fourth proportional to 2,160.42, 3,237.88 and 926.36 is: 1,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.42 : 3,237.88 = 926.36 : x
  2. Step 2: Convert to fraction form
    2,160.42/3,237.88 = 926.36/x
  3. Step 3: Cross multiply
    2,160.42x = 3,237.88 × 926.36
  4. Step 4: Simplify right side
    2,160.42x = 2,999,442.52
  5. Step 5: Solve for x
    x = 2,999,442.52/2,160.42
  6. Step 6: Final answer
    x = 1,388.36

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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.