Home / 2,465.63-3,402.87-1,581.11

Finding the Fourth Proportional to 2,465.63, 3,402.87 and 1,581.11

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Solution

The fourth proportional to 2,465.63, 3,402.87 and 1,581.11 is: 2,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.63 : 3,402.87 = 1,581.11 : x
  2. Step 2: Convert to fraction form
    2,465.63/3,402.87 = 1,581.11/x
  3. Step 3: Cross multiply
    2,465.63x = 3,402.87 × 1,581.11
  4. Step 4: Simplify right side
    2,465.63x = 5,380,311.79
  5. Step 5: Solve for x
    x = 5,380,311.79/2,465.63
  6. Step 6: Final answer
    x = 2,182.12

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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.