Home / 2,133.80-2,948.66-1,608.92

Finding the Fourth Proportional to 2,133.80, 2,948.66 and 1,608.92

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Solution

The fourth proportional to 2,133.80, 2,948.66 and 1,608.92 is: 2,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.80 : 2,948.66 = 1,608.92 : x
  2. Step 2: Convert to fraction form
    2,133.80/2,948.66 = 1,608.92/x
  3. Step 3: Cross multiply
    2,133.80x = 2,948.66 × 1,608.92
  4. Step 4: Simplify right side
    2,133.80x = 4,744,158.05
  5. Step 5: Solve for x
    x = 4,744,158.05/2,133.80
  6. Step 6: Final answer
    x = 2,223.34

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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.