Home / 1,759.12-2,427.48-973.16

Finding the Fourth Proportional to 1,759.12, 2,427.48 and 973.16

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Solution

The fourth proportional to 1,759.12, 2,427.48 and 973.16 is: 1,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.12 : 2,427.48 = 973.16 : x
  2. Step 2: Convert to fraction form
    1,759.12/2,427.48 = 973.16/x
  3. Step 3: Cross multiply
    1,759.12x = 2,427.48 × 973.16
  4. Step 4: Simplify right side
    1,759.12x = 2,362,326.44
  5. Step 5: Solve for x
    x = 2,362,326.44/1,759.12
  6. Step 6: Final answer
    x = 1,342.90

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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.