Home / 4,242.79-6,364.19-1,646.34

Finding the Fourth Proportional to 4,242.79, 6,364.19 and 1,646.34

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Solution

The fourth proportional to 4,242.79, 6,364.19 and 1,646.34 is: 2,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.79 : 6,364.19 = 1,646.34 : x
  2. Step 2: Convert to fraction form
    4,242.79/6,364.19 = 1,646.34/x
  3. Step 3: Cross multiply
    4,242.79x = 6,364.19 × 1,646.34
  4. Step 4: Simplify right side
    4,242.79x = 10,477,620.56
  5. Step 5: Solve for x
    x = 10,477,620.56/4,242.79
  6. Step 6: Final answer
    x = 2,469.51

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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.