Home / 3,454.84-5,202.58-2,487.72

Finding the Fourth Proportional to 3,454.84, 5,202.58 and 2,487.72

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Solution

The fourth proportional to 3,454.84, 5,202.58 and 2,487.72 is: 3,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.84 : 5,202.58 = 2,487.72 : x
  2. Step 2: Convert to fraction form
    3,454.84/5,202.58 = 2,487.72/x
  3. Step 3: Cross multiply
    3,454.84x = 5,202.58 × 2,487.72
  4. Step 4: Simplify right side
    3,454.84x = 12,942,562.32
  5. Step 5: Solve for x
    x = 12,942,562.32/3,454.84
  6. Step 6: Final answer
    x = 3,746.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.