Home / 2,883.13-3,980.85-1,765.59

Finding the Fourth Proportional to 2,883.13, 3,980.85 and 1,765.59

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Solution

The fourth proportional to 2,883.13, 3,980.85 and 1,765.59 is: 2,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.13 : 3,980.85 = 1,765.59 : x
  2. Step 2: Convert to fraction form
    2,883.13/3,980.85 = 1,765.59/x
  3. Step 3: Cross multiply
    2,883.13x = 3,980.85 × 1,765.59
  4. Step 4: Simplify right side
    2,883.13x = 7,028,527.40
  5. Step 5: Solve for x
    x = 7,028,527.40/2,883.13
  6. Step 6: Final answer
    x = 2,437.81

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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.