Home / 2,160.95-3,242.70-928.33

Finding the Fourth Proportional to 2,160.95, 3,242.70 and 928.33

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Solution

The fourth proportional to 2,160.95, 3,242.70 and 928.33 is: 1,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.95 : 3,242.70 = 928.33 : x
  2. Step 2: Convert to fraction form
    2,160.95/3,242.70 = 928.33/x
  3. Step 3: Cross multiply
    2,160.95x = 3,242.70 × 928.33
  4. Step 4: Simplify right side
    2,160.95x = 3,010,287.58
  5. Step 5: Solve for x
    x = 3,010,287.58/2,160.95
  6. Step 6: Final answer
    x = 1,393.04

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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.