Home / 2,646.27-3,970.22-1,346.63

Finding the Fourth Proportional to 2,646.27, 3,970.22 and 1,346.63

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Solution

The fourth proportional to 2,646.27, 3,970.22 and 1,346.63 is: 2,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.27 : 3,970.22 = 1,346.63 : x
  2. Step 2: Convert to fraction form
    2,646.27/3,970.22 = 1,346.63/x
  3. Step 3: Cross multiply
    2,646.27x = 3,970.22 × 1,346.63
  4. Step 4: Simplify right side
    2,646.27x = 5,346,390.77
  5. Step 5: Solve for x
    x = 5,346,390.77/2,646.27
  6. Step 6: Final answer
    x = 2,020.35

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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.