Home / 3,434.43-5,151.65-1,242.65

Finding the Fourth Proportional to 3,434.43, 5,151.65 and 1,242.65

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Solution

The fourth proportional to 3,434.43, 5,151.65 and 1,242.65 is: 1,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.43 : 5,151.65 = 1,242.65 : x
  2. Step 2: Convert to fraction form
    3,434.43/5,151.65 = 1,242.65/x
  3. Step 3: Cross multiply
    3,434.43x = 5,151.65 × 1,242.65
  4. Step 4: Simplify right side
    3,434.43x = 6,401,688.10
  5. Step 5: Solve for x
    x = 6,401,688.10/3,434.43
  6. Step 6: Final answer
    x = 1,863.97

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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.