Home / 2,854.04-3,938.96-1,676.12

Finding the Fourth Proportional to 2,854.04, 3,938.96 and 1,676.12

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Solution

The fourth proportional to 2,854.04, 3,938.96 and 1,676.12 is: 2,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.04 : 3,938.96 = 1,676.12 : x
  2. Step 2: Convert to fraction form
    2,854.04/3,938.96 = 1,676.12/x
  3. Step 3: Cross multiply
    2,854.04x = 3,938.96 × 1,676.12
  4. Step 4: Simplify right side
    2,854.04x = 6,602,169.64
  5. Step 5: Solve for x
    x = 6,602,169.64/2,854.04
  6. Step 6: Final answer
    x = 2,313.27

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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.