Home / 3,124.39-4,311.57-1,797.16

Finding the Fourth Proportional to 3,124.39, 4,311.57 and 1,797.16

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Solution

The fourth proportional to 3,124.39, 4,311.57 and 1,797.16 is: 2,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.39 : 4,311.57 = 1,797.16 : x
  2. Step 2: Convert to fraction form
    3,124.39/4,311.57 = 1,797.16/x
  3. Step 3: Cross multiply
    3,124.39x = 4,311.57 × 1,797.16
  4. Step 4: Simplify right side
    3,124.39x = 7,748,581.14
  5. Step 5: Solve for x
    x = 7,748,581.14/3,124.39
  6. Step 6: Final answer
    x = 2,480.03

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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.