Home / 3,707.94-5,561.37-1,242.75

Finding the Fourth Proportional to 3,707.94, 5,561.37 and 1,242.75

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Solution

The fourth proportional to 3,707.94, 5,561.37 and 1,242.75 is: 1,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.94 : 5,561.37 = 1,242.75 : x
  2. Step 2: Convert to fraction form
    3,707.94/5,561.37 = 1,242.75/x
  3. Step 3: Cross multiply
    3,707.94x = 5,561.37 × 1,242.75
  4. Step 4: Simplify right side
    3,707.94x = 6,911,392.57
  5. Step 5: Solve for x
    x = 6,911,392.57/3,707.94
  6. Step 6: Final answer
    x = 1,863.94

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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.