Home / 1,759.53-2,428.31-973.73

Finding the Fourth Proportional to 1,759.53, 2,428.31 and 973.73

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Solution

The fourth proportional to 1,759.53, 2,428.31 and 973.73 is: 1,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.53 : 2,428.31 = 973.73 : x
  2. Step 2: Convert to fraction form
    1,759.53/2,428.31 = 973.73/x
  3. Step 3: Cross multiply
    1,759.53x = 2,428.31 × 973.73
  4. Step 4: Simplify right side
    1,759.53x = 2,364,518.30
  5. Step 5: Solve for x
    x = 2,364,518.30/1,759.53
  6. Step 6: Final answer
    x = 1,343.84

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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.