Home / 2,598.36-3,897.68-1,299.39

Finding the Fourth Proportional to 2,598.36, 3,897.68 and 1,299.39

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Solution

The fourth proportional to 2,598.36, 3,897.68 and 1,299.39 is: 1,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.36 : 3,897.68 = 1,299.39 : x
  2. Step 2: Convert to fraction form
    2,598.36/3,897.68 = 1,299.39/x
  3. Step 3: Cross multiply
    2,598.36x = 3,897.68 × 1,299.39
  4. Step 4: Simplify right side
    2,598.36x = 5,064,599.92
  5. Step 5: Solve for x
    x = 5,064,599.92/2,598.36
  6. Step 6: Final answer
    x = 1,949.15

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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.