Home / 2,973.04-4,107.90-2,867.92

Finding the Fourth Proportional to 2,973.04, 4,107.90 and 2,867.92

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Solution

The fourth proportional to 2,973.04, 4,107.90 and 2,867.92 is: 3,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.04 : 4,107.90 = 2,867.92 : x
  2. Step 2: Convert to fraction form
    2,973.04/4,107.90 = 2,867.92/x
  3. Step 3: Cross multiply
    2,973.04x = 4,107.90 × 2,867.92
  4. Step 4: Simplify right side
    2,973.04x = 11,781,128.57
  5. Step 5: Solve for x
    x = 11,781,128.57/2,973.04
  6. Step 6: Final answer
    x = 3,962.65

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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.