Home / 3,051.15-4,210.43-1,724.78

Finding the Fourth Proportional to 3,051.15, 4,210.43 and 1,724.78

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Solution

The fourth proportional to 3,051.15, 4,210.43 and 1,724.78 is: 2,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.15 : 4,210.43 = 1,724.78 : x
  2. Step 2: Convert to fraction form
    3,051.15/4,210.43 = 1,724.78/x
  3. Step 3: Cross multiply
    3,051.15x = 4,210.43 × 1,724.78
  4. Step 4: Simplify right side
    3,051.15x = 7,262,035.78
  5. Step 5: Solve for x
    x = 7,262,035.78/3,051.15
  6. Step 6: Final answer
    x = 2,380.10

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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.