Home / 3,159.45-4,361.84-2,098.67

Finding the Fourth Proportional to 3,159.45, 4,361.84 and 2,098.67

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Solution

The fourth proportional to 3,159.45, 4,361.84 and 2,098.67 is: 2,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.45 : 4,361.84 = 2,098.67 : x
  2. Step 2: Convert to fraction form
    3,159.45/4,361.84 = 2,098.67/x
  3. Step 3: Cross multiply
    3,159.45x = 4,361.84 × 2,098.67
  4. Step 4: Simplify right side
    3,159.45x = 9,154,063.16
  5. Step 5: Solve for x
    x = 9,154,063.16/3,159.45
  6. Step 6: Final answer
    x = 2,897.36

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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.