Home / 4,238.69-6,358.04-1,317.00

Finding the Fourth Proportional to 4,238.69, 6,358.04 and 1,317.00

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Solution

The fourth proportional to 4,238.69, 6,358.04 and 1,317.00 is: 1,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.69 : 6,358.04 = 1,317.00 : x
  2. Step 2: Convert to fraction form
    4,238.69/6,358.04 = 1,317.00/x
  3. Step 3: Cross multiply
    4,238.69x = 6,358.04 × 1,317.00
  4. Step 4: Simplify right side
    4,238.69x = 8,373,500.30
  5. Step 5: Solve for x
    x = 8,373,500.30/4,238.69
  6. Step 6: Final answer
    x = 1,975.49

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Half scale
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Double scale
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Similar ratio
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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.