Home / 2,885.67-3,982.91-1,837.13

Finding the Fourth Proportional to 2,885.67, 3,982.91 and 1,837.13

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Solution

The fourth proportional to 2,885.67, 3,982.91 and 1,837.13 is: 2,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.67 : 3,982.91 = 1,837.13 : x
  2. Step 2: Convert to fraction form
    2,885.67/3,982.91 = 1,837.13/x
  3. Step 3: Cross multiply
    2,885.67x = 3,982.91 × 1,837.13
  4. Step 4: Simplify right side
    2,885.67x = 7,317,094.35
  5. Step 5: Solve for x
    x = 7,317,094.35/2,885.67
  6. Step 6: Final answer
    x = 2,535.67

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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.