Home / 3,707.45-5,561.51-1,242.29

Finding the Fourth Proportional to 3,707.45, 5,561.51 and 1,242.29

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Solution

The fourth proportional to 3,707.45, 5,561.51 and 1,242.29 is: 1,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.45 : 5,561.51 = 1,242.29 : x
  2. Step 2: Convert to fraction form
    3,707.45/5,561.51 = 1,242.29/x
  3. Step 3: Cross multiply
    3,707.45x = 5,561.51 × 1,242.29
  4. Step 4: Simplify right side
    3,707.45x = 6,908,991.65
  5. Step 5: Solve for x
    x = 6,908,991.65/3,707.45
  6. Step 6: Final answer
    x = 1,863.54

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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.