Home / 3,155.04-4,731.75-1,672.25

Finding the Fourth Proportional to 3,155.04, 4,731.75 and 1,672.25

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Solution

The fourth proportional to 3,155.04, 4,731.75 and 1,672.25 is: 2,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.04 : 4,731.75 = 1,672.25 : x
  2. Step 2: Convert to fraction form
    3,155.04/4,731.75 = 1,672.25/x
  3. Step 3: Cross multiply
    3,155.04x = 4,731.75 × 1,672.25
  4. Step 4: Simplify right side
    3,155.04x = 7,912,645.28
  5. Step 5: Solve for x
    x = 7,912,645.28/3,155.04
  6. Step 6: Final answer
    x = 2,507.94

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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.