Home / 3,531.63-5,291.70-1,865.67

Finding the Fourth Proportional to 3,531.63, 5,291.70 and 1,865.67

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Solution

The fourth proportional to 3,531.63, 5,291.70 and 1,865.67 is: 2,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.63 : 5,291.70 = 1,865.67 : x
  2. Step 2: Convert to fraction form
    3,531.63/5,291.70 = 1,865.67/x
  3. Step 3: Cross multiply
    3,531.63x = 5,291.70 × 1,865.67
  4. Step 4: Simplify right side
    3,531.63x = 9,872,577.16
  5. Step 5: Solve for x
    x = 9,872,577.16/3,531.63
  6. Step 6: Final answer
    x = 2,795.48

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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.