Home / 3,210.67-4,430.82-1,883.89

Finding the Fourth Proportional to 3,210.67, 4,430.82 and 1,883.89

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Solution

The fourth proportional to 3,210.67, 4,430.82 and 1,883.89 is: 2,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.67 : 4,430.82 = 1,883.89 : x
  2. Step 2: Convert to fraction form
    3,210.67/4,430.82 = 1,883.89/x
  3. Step 3: Cross multiply
    3,210.67x = 4,430.82 × 1,883.89
  4. Step 4: Simplify right side
    3,210.67x = 8,347,177.49
  5. Step 5: Solve for x
    x = 8,347,177.49/3,210.67
  6. Step 6: Final answer
    x = 2,599.82

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1.5x scale

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.