Home / 4,190.13-6,281.37-1,724.49

Finding the Fourth Proportional to 4,190.13, 6,281.37 and 1,724.49

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Solution

The fourth proportional to 4,190.13, 6,281.37 and 1,724.49 is: 2,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.13 : 6,281.37 = 1,724.49 : x
  2. Step 2: Convert to fraction form
    4,190.13/6,281.37 = 1,724.49/x
  3. Step 3: Cross multiply
    4,190.13x = 6,281.37 × 1,724.49
  4. Step 4: Simplify right side
    4,190.13x = 10,832,159.75
  5. Step 5: Solve for x
    x = 10,832,159.75/4,190.13
  6. Step 6: Final answer
    x = 2,585.16

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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.