Home / 2,113.55-3,166.08-1,941.32

Finding the Fourth Proportional to 2,113.55, 3,166.08 and 1,941.32

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Solution

The fourth proportional to 2,113.55, 3,166.08 and 1,941.32 is: 2,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.55 : 3,166.08 = 1,941.32 : x
  2. Step 2: Convert to fraction form
    2,113.55/3,166.08 = 1,941.32/x
  3. Step 3: Cross multiply
    2,113.55x = 3,166.08 × 1,941.32
  4. Step 4: Simplify right side
    2,113.55x = 6,146,358.60
  5. Step 5: Solve for x
    x = 6,146,358.60/2,113.55
  6. Step 6: Final answer
    x = 2,908.08

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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.