Home / 2,164.83-2,984.36-1,542.75

Finding the Fourth Proportional to 2,164.83, 2,984.36 and 1,542.75

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Solution

The fourth proportional to 2,164.83, 2,984.36 and 1,542.75 is: 2,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.83 : 2,984.36 = 1,542.75 : x
  2. Step 2: Convert to fraction form
    2,164.83/2,984.36 = 1,542.75/x
  3. Step 3: Cross multiply
    2,164.83x = 2,984.36 × 1,542.75
  4. Step 4: Simplify right side
    2,164.83x = 4,604,113.68
  5. Step 5: Solve for x
    x = 4,604,113.68/2,164.83
  6. Step 6: Final answer
    x = 2,126.78

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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.