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Finding the Fourth Proportional to 3,004.32, 4,506.46 and 783.16

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Solution

The fourth proportional to 3,004.32, 4,506.46 and 783.16 is: 1,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.32 : 4,506.46 = 783.16 : x
  2. Step 2: Convert to fraction form
    3,004.32/4,506.46 = 783.16/x
  3. Step 3: Cross multiply
    3,004.32x = 4,506.46 × 783.16
  4. Step 4: Simplify right side
    3,004.32x = 3,529,279.21
  5. Step 5: Solve for x
    x = 3,529,279.21/3,004.32
  6. Step 6: Final answer
    x = 1,174.73

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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.