Home / 2,433.66-3,646.96-1,390.48

Finding the Fourth Proportional to 2,433.66, 3,646.96 and 1,390.48

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Solution

The fourth proportional to 2,433.66, 3,646.96 and 1,390.48 is: 2,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.66 : 3,646.96 = 1,390.48 : x
  2. Step 2: Convert to fraction form
    2,433.66/3,646.96 = 1,390.48/x
  3. Step 3: Cross multiply
    2,433.66x = 3,646.96 × 1,390.48
  4. Step 4: Simplify right side
    2,433.66x = 5,071,024.94
  5. Step 5: Solve for x
    x = 5,071,024.94/2,433.66
  6. Step 6: Final answer
    x = 2,083.70

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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.