Home / 2,829.92-4,237.56-1,955.12

Finding the Fourth Proportional to 2,829.92, 4,237.56 and 1,955.12

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Solution

The fourth proportional to 2,829.92, 4,237.56 and 1,955.12 is: 2,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.92 : 4,237.56 = 1,955.12 : x
  2. Step 2: Convert to fraction form
    2,829.92/4,237.56 = 1,955.12/x
  3. Step 3: Cross multiply
    2,829.92x = 4,237.56 × 1,955.12
  4. Step 4: Simplify right side
    2,829.92x = 8,284,938.31
  5. Step 5: Solve for x
    x = 8,284,938.31/2,829.92
  6. Step 6: Final answer
    x = 2,927.62

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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.