Home / 3,051.10-4,210.49-1,724.80

Finding the Fourth Proportional to 3,051.10, 4,210.49 and 1,724.80

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Solution

The fourth proportional to 3,051.10, 4,210.49 and 1,724.80 is: 2,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.10 : 4,210.49 = 1,724.80 : x
  2. Step 2: Convert to fraction form
    3,051.10/4,210.49 = 1,724.80/x
  3. Step 3: Cross multiply
    3,051.10x = 4,210.49 × 1,724.80
  4. Step 4: Simplify right side
    3,051.10x = 7,262,253.15
  5. Step 5: Solve for x
    x = 7,262,253.15/3,051.10
  6. Step 6: Final answer
    x = 2,380.21

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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.