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Finding the Fourth Proportional to 4,239.03, 6,358.01 and 1,640.19

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Solution

The fourth proportional to 4,239.03, 6,358.01 and 1,640.19 is: 2,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.03 : 6,358.01 = 1,640.19 : x
  2. Step 2: Convert to fraction form
    4,239.03/6,358.01 = 1,640.19/x
  3. Step 3: Cross multiply
    4,239.03x = 6,358.01 × 1,640.19
  4. Step 4: Simplify right side
    4,239.03x = 10,428,336.22
  5. Step 5: Solve for x
    x = 10,428,336.22/4,239.03
  6. Step 6: Final answer
    x = 2,460.08

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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.