Home / 1,630.48-2,433.79-1,400.85

Finding the Fourth Proportional to 1,630.48, 2,433.79 and 1,400.85

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Solution

The fourth proportional to 1,630.48, 2,433.79 and 1,400.85 is: 2,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.48 : 2,433.79 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    1,630.48/2,433.79 = 1,400.85/x
  3. Step 3: Cross multiply
    1,630.48x = 2,433.79 × 1,400.85
  4. Step 4: Simplify right side
    1,630.48x = 3,409,374.72
  5. Step 5: Solve for x
    x = 3,409,374.72/1,630.48
  6. Step 6: Final answer
    x = 2,091.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.