Home / 3,116.99-4,673.05-1,556.21

Finding the Fourth Proportional to 3,116.99, 4,673.05 and 1,556.21

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Solution

The fourth proportional to 3,116.99, 4,673.05 and 1,556.21 is: 2,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.99 : 4,673.05 = 1,556.21 : x
  2. Step 2: Convert to fraction form
    3,116.99/4,673.05 = 1,556.21/x
  3. Step 3: Cross multiply
    3,116.99x = 4,673.05 × 1,556.21
  4. Step 4: Simplify right side
    3,116.99x = 7,272,239.36
  5. Step 5: Solve for x
    x = 7,272,239.36/3,116.99
  6. Step 6: Final answer
    x = 2,333.10

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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.