Home / 2,921.50-4,383.33-1,534.78

Finding the Fourth Proportional to 2,921.50, 4,383.33 and 1,534.78

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Solution

The fourth proportional to 2,921.50, 4,383.33 and 1,534.78 is: 2,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.50 : 4,383.33 = 1,534.78 : x
  2. Step 2: Convert to fraction form
    2,921.50/4,383.33 = 1,534.78/x
  3. Step 3: Cross multiply
    2,921.50x = 4,383.33 × 1,534.78
  4. Step 4: Simplify right side
    2,921.50x = 6,727,447.22
  5. Step 5: Solve for x
    x = 6,727,447.22/2,921.50
  6. Step 6: Final answer
    x = 2,302.74

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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.