Home / 3,015.74-4,161.50-1,837.19

Finding the Fourth Proportional to 3,015.74, 4,161.50 and 1,837.19

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Solution

The fourth proportional to 3,015.74, 4,161.50 and 1,837.19 is: 2,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.74 : 4,161.50 = 1,837.19 : x
  2. Step 2: Convert to fraction form
    3,015.74/4,161.50 = 1,837.19/x
  3. Step 3: Cross multiply
    3,015.74x = 4,161.50 × 1,837.19
  4. Step 4: Simplify right side
    3,015.74x = 7,645,466.19
  5. Step 5: Solve for x
    x = 7,645,466.19/3,015.74
  6. Step 6: Final answer
    x = 2,535.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.