Home / 1,310.03-1,965.05-336.10

Finding the Fourth Proportional to 1,310.03, 1,965.05 and 336.10

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Solution

The fourth proportional to 1,310.03, 1,965.05 and 336.10 is: 504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.03 : 1,965.05 = 336.10 : x
  2. Step 2: Convert to fraction form
    1,310.03/1,965.05 = 336.10/x
  3. Step 3: Cross multiply
    1,310.03x = 1,965.05 × 336.10
  4. Step 4: Simplify right side
    1,310.03x = 660,453.31
  5. Step 5: Solve for x
    x = 660,453.31/1,310.03
  6. Step 6: Final answer
    x = 504.15

Related Problems

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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.